Choose which has more gravitational energy
odiver with a mass of 450 n diving from a height of 20 feet
diver has a mass of 400 n standing at a height of 20 feet
diver with a mass of 450 n standing at a height of 20 feet

Answer:

C is the correct answer.

Explanation:

we have given about light and we have to compare the speed of light in air as well as in glass. So let's take the expression of refractive index of glass. Suppose we are representing a refractive index of glass with respect to air. So this will be equal to the fraction or the ratio of the speed of light in air divided by the speed of light in glass. Hence we get the expression in the modified form as speed of light in glass is equal to speed of light in air, divided by the refractive index of glass with respect to air. So obviously when we consider the refractive index of class with respect to air, it is a number which is more than one. Hence from equation number A we get that the speed of light in glass will be less than that speed of light in air. Hence we can get it the correct answer. As the choice number C means the answer is less. This is our final answer.

Thank you.

Answer:

i guess u could pick "B" :)

Explanation:

Answer:

3.the distance away from the sun where it to hot or too cold for life to exist

Answer:

there u go if u feel answer is good plzz mark me brainlest

Explanation:

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

Answer:

The factors that affect the force of gravity are :

i) Mass

ii) Acceleration

Answer:

0.36cm

Explanation:

Given parameters:

Output distance  = 2.0cm

M.A = 5.5

Unknown:

Input distance = ?

Solution:

The mechanical advantage is the value of the force multiplier.

   M.A = Output distance /  Input distance

Input distance  =  Output distance / mechanical advantage

Input distance = \(\frac{2.0cm}{5.5}\)   = 0.36cm

The maximum range that can be achieved with the same initial speed is 69.6 m.

The distance that a rock will travel when thrown upward at an angle of 35.00 with respect to the horizontal and with a speed of 21.3 m/s is determined by the equations of projectile motion.

The maximum range that can be achieved is calculated by using the equation for the range of a projectile, which is R = (V2sin2θ)/g,

where V is the initial speed (21.3 m/s in this case), θ is the angle with respect to the horizontal (35.00 in this case), and g is the acceleration due to gravity (9.8 m/s2). The range can be calculated to be 69.6 m.

The motion of the rock can be broken down into two components:

the vertical component, which is determined by the equation h = (Vsinθ)t - ½gt2, and the horizontal component, which is determined by the equation x = Vcost.

The maximum height that the rock reaches is calculated by substituting t = (Vsinθ)/g into the equation for the vertical component, resulting in hmax = (V2sinθ)/2g.

As the rock falls back to the ground, the time taken for it to reach the ground is calculated by substituting hmax into the equation for the vertical component, resulting in ttotal = 2(Vsinθ)/g.

The range of the projectile is then calculated by substituting ttotal into the equation for the horizontal component, resulting in the equation for the range of a projectile given above.

The distance that a rock will travel when thrown upward at an angle of 35.00 with respect to the horizontal and with a speed of 21.3 m/s is determined by the equations of projectile motion,

and the maximum range that can be achieved with the same initial speed is 69.6 m.

to know more about speed refer here:

https://brainly.com/question/28224010#

#SPJ11

Explanation:

W = 2940 J

m = 150 kg

t = 5 s

find P =?

P = W/t = 2940/5 = 588 watts

Power Is how much you need to work for every second, power formula is:

\(\huge \boxed{ {\sf P = \frac{W}{t} }}\)

With:

P = Power (watts)

W = Work (joule)

t = times (secon)

_________

Data Given:

Work = 2940 Joule

t = 5 Second

______

Power = ?

______

Answer:

= W/t

= 2940/5

= 2940 ÷ 5

The Power he exert is 588 watts

The formation of the solar system was a complex and dynamic process that took place over millions of years.

It is believed that a nearby supernova explosion or shock wave triggered the collapse of this cloud, causing it to contract and spin faster. As it spun, the cloud flattened into a disk with a dense center, which eventually formed the Sun.

As the disk continued to spin, it began to cool and dust particles started to clump together, forming small grains. These grains collided and stuck together, gradually growing larger and forming planetesimals.

The inner planets, including Mercury, Venus, Earth, and Mars, formed from materials that were more heat-resistant, such as rocks and metals. The outer planets, including Jupiter, Saturn, Uranus, and Neptune, formed from materials that were more volatile, such as ices and gases.

Learn more about solar system here

brainly.com/question/29015749

#SPJ4

Answer:

The law of conservation of energy says that the total energy of a system that is isolated is constant. So, in a battery-operated flashlight, we can see that the chemical energy of the battery is transformed into light. Therefore, the energy is not being created, it is just transformed into a new type. In the same way, the energy in the wood in a campfire is transformed into heat and light, so it is another way to demonstrated that the energy is conserved.

Answer:

They are directly proportional to gravitational force.

Explanation:

Newton's Law of Gravity states that \(F_G=\frac{Gm_1m_2}{r^{2}}\). The two "m" values are the masses of the objects, r is the distance between their centers, and G is the gravitational constant. Notice how the "m" values are in the fraction's numerator (i.e., on top)? That means increasing even one of the objects' masses will increase the gravitational force. This is known as a direct relationship.

Of course, you could always use the wonderful table provided to solve this! You don't believe what I wrote above? Take on of the two objects' masses, divide the gravitational force by that number, and see what happens. Multiply the two masses together, and see what happens. Prove it for yourself!

I hope this increases your understanding of this concept. Have yourself a wondrous day, 'kay?

The thing that happens when you push or pull a water tube is that the force makes the tube to speed up, slow down, or be in one place.

It is very hard when pulling  water and if a person need to consistently pull air out of the tube before water makes it to the pump, it is very  difficult and some pumps may or cannot do it.

In regards to pushing, when a person is pushing above the Center of Gravity, one is pushing the said object into the ground and thus is increasing the rate of friction.

If a person is pulling you are said to be pulling above the Center of Gravity and lowering friction.

So, The thing that happens when you push or pull a water tube is that the force makes the tube to speed up, slow down, or be in one place.

Learn more about Gravity from

https://brainly.com/question/557206

#SPJ1

Therefore, the coin falls behind the passenger, indicating that the train is moving forward. In summary, the motion of the train is forward.

The motion of the train can be determined by considering the behavior of the coin. Since the coin falls behind the passenger, it implies that the train is moving forward. This can be explained by the concept of inertia. When the coin is tossed vertically, it also has a forward velocity due to the train's motion. As the coin is in the air, it maintains its forward velocity. However, since the passenger is also moving forward with the train, they perceive the coin's motion as being straight down. Therefore, the coin falls behind the passenger, indicating that the train is moving forward. In summary, the motion of the train is forward.

To know more about motion visit:

https://brainly.com/question/2748259

#SPJ11

Answer:

when we hit the volleyball. the ball goes up comes down

it comes down as it is forced by gravity

the force in which ball comes back is Newton 3 law

Responder:

Explicación:

Se dice que el trabajo se realiza cuando una fuerza aplicada a un objeto hace que el objeto se mueva a través de una distancia. El trabajo realizado por un cuerpo se expresa mediante la fórmula;

Workdone = Fuerza * Distancia

Como Fuerza = masa * aceleración,

Workdone = masa * aceleración * distancia

Masa dada = 5.0kg, aceleración = 2.0m / s² d =?

Para obtener d, usaremos una de las leyes del movimiento,

d = ut + 1 / 2at²

u = 0 (ya que el cuerpo acelera desde el reposo) yt = 7.0s

d = 0 + 1/2 (2) (7) ²

d = 49m

Workdone = 5 * 2 * 49

Workdone = 490 Julios

Answer: F=kq1q2/r2

"F" is the resulting force between the two charges. The distance between the two charges is "r." The "r" actually stands for "radius of separation" but you just need to know it is a distance. The "q1" and "q2" are values for the amount of charge in each of the particles.

Explanation:

The mathematical equation for the electric force between two charges will be ,\(\rm F = \frac{K q_1q_2}{r^2}\). It is a type of attractive force.

The electric force between the two charges is directly proportional to the product of the charge and inversely proportional to the square of the distance between them.

The electric force is found as;

\(\rm F = \frac{K q_1q_2}{r^2}\)

q₁ is the magnitude of charge 1

q₂ is the magnitude of charge 2

k is the proportionality constant

r is the separated distance

F is the electric force

Hence, the mathematical equation for the electric force between two charges will be ,\(\rm F = \frac{K q_1q_2}{r^2}\)

To learn more about the electric force, refer to the link;

https://brainly.com/question/1076352

#SPJ2

Equation of motion: To find the equation of motion and the oscillation frequency of a mass-spring system, we'll use Newton's second law of motion.

Force (F) = mass (m) × acceleration

F = ma

The force acting on a spring is given by Hooke's law:

F = -k x

where k is the spring constant and x is the displacement from the equilibrium position.

Thus, combining these two equations gives us the following equation of motion for a mass-spring system:

ma = -k x

Rearranging this, we get:

m(d²x/dt²) + k x = 0

This is the differential equation of motion of the mass-spring system.

Oscillation frequency:

The oscillation frequency can be calculated using the equation:

f = (1/2π) √(k/m)

where f is the frequency, k is the spring constant, and m is the mass.

Lagrange function:

The Lagrange function for a mass-spring system can be written as:

L = T - VL

is the difference between the kinetic energy (T) and potential energy (V) of the system.

The kinetic energy of the system is given by:

T = (1/2) mv²where m is the mass and v is the velocity.

The potential energy of the system is given by:

V = (1/2) kx²

where k is the spring constant and x is the displacement from the equilibrium position.

L = (1/2) mv² - (1/2) kx²

Equation of motion:

Using the Euler-Lagrange equation, the equation of motion for a mass-spring system can be derived.

It is given by:

d/dt (∂ L/∂v) - ∂L/∂x = 0

Substituting the values from the Lagrange function:

L = (1/2) mv² - (1/2) kx²∂L/∂v = m v ∂L /∂x = -k x.

To know more about equation visit:

https://brainly.com/question/29657983

#SPJ11

The molar mass of a compound can be found by adding the molar masses of all of the atoms in the compound.

The molar mass of an atom can be found on the periodic table by looking at the atomic mass listed for that element.

For example, to find the molar mass of water (H2O), we would add the molar masses of two hydrogen atoms (2 x 1.01 g/mol) and one oxygen atom (16.00 g/mol) to get a total molar mass of 18.02 g/mol.

Another way is by finding the molecular formula of the compound, it can be done by analyzing the compound's chemical and physical properties and then using the mass spectrometer to determine the molecular weight.

In conclusion, the molar mass of a compound can be found by adding the molar masses of the atoms in the compound using the atomic masses listed on the periodic table, or by determining the molecular formula of the compound and using a mass spectrometer to find the molecular weight.

Learn more about molar mass at

https://brainly.com/question/12127540

#SPJ4

Answer:

C

Explanation:

The specific heat capacity formula is used to determine the quantity of heat required to alter the temperature of a unit mass of a substance by one degree Celsius.

For such more question on Celsius

https://brainly.com/question/30391112

#SPJ8

At kelvin temperature T, cylinder A includes n molecule of a gas, and the force exerted by the gas on the cylinder is NkBT/l.

When two bodies interact, it refers to any form of pushing or pulling that one body exerts on the other. A vector quantity, that is. For instance, a person pushes or pulls on something to provide force, such as opening a door.

Contact forces that act at a remove forces are the two different types of forces. Your daily use of force is evident. Basically, pressure and pull are forces.

Formulas,

-P = F/A

-n = n/Na

-PV = nRT

= NKT (R = KNa)

- Volume of cylinder: A* l

F=PA

P = NKbT / V

P = NKbT / A* l

F = NkBT / A * l (A)

Cross out A,

Final, F = NkBT/l.

To know more about force visit:

https://brainly.com/question/13191643

#SPJ1

Answer:

2/3.or 0,67

Explanation:

acceleration = Result or sum of force / the mass

a = F/m

a = (35-25)/15

a = 10/15 = 2/3 m/s²

a = 0,67 m/s²

Answer: I don't know sorry

Explanation:

yeah

Answer:

Z

Explanation:

Momentum = mass * velocity

      Z has the highest  mass * velocity = 15 * 3 = 45  kg m/s

The visual system's ability to determine whether an object seen at Time 1 is the same object as one seen at Time 2 is known as visual object tracking or object continuity.

This involves the integration of various visual cues such as color, shape, size, and motion, as well as memory processes to maintain object identity over time. This process allows us to perceive the world as a continuous and stable environment despite constant changes in sensory input.

Visual object tracking or object continuity is the ability of the human visual system to perceive and follow an object as it moves through space and time, despite changes in appearance, orientation, and occlusion by other objects. This ability is important for tasks such as driving, sports, and everyday activities that require us to navigate and interact with our environment.

Object continuity is achieved through a combination of bottom-up sensory processing, which involves detecting and analyzing visual features such as color, motion, and shape, and top-down cognitive processes, which involve using prior knowledge and expectations to interpret and integrate sensory information.

Researchers have used various techniques, including eye tracking and neuroimaging, to study object tracking in the brain and have identified several neural networks involved in this process.

To learn more about visual object tracking refer here:

https://brainly.com/question/14956318#

#SPJ11

More force will be needed to stop a skater if they have more mass, more momentum, or a shorter stopping distance.

Mass: A skater with a higher mass will have greater inertia, meaning they will require more force to change their motion (stop in this case).

Momentum:

Momentum is the product of mass and velocity.

A skater with more momentum will need a greater force to stop since momentum needs to be reduced to zero for the skater to come to a complete stop.

Stopping distance:

A shorter stopping distance means that the force applied to stop the skater must be greater in order to quickly decelerate the skater and bring them to a stop within the shorter distance.

For similar question on momentum.

https://brainly.com/question/27934809

#SPJ11

Answer:

i dont know

Explanation:

hello

The value of the angular momentum quantum number associated with the 5d orbital is \($\ell = 2$\).

In the quantum mechanical description of atomic structure, the angular momentum quantum number \(($\ell$)\) is a fundamental property that characterizes the orbital angular momentum of an electron in an atom. It determines the shape of the orbital and the allowed values for the magnetic quantum number \(($m_\ell$)\). The \($\ell$\) quantum number can range from 0 to (n-1), where n is the principal quantum number.

For the 5d orbital, the principal quantum number n is 5. Since \($\ell$\) can range from 0 to (n-1), the possible values for \($\ell$\) in the 5d orbital are 0, 1, 2, 3, and 4. However, based on the Aufbau principle and the filling order of orbitals, the 5d orbital is filled after the 4d orbital. Since the 4d orbital has \($\ell = 2$\), the 5d orbital also has \($\ell = 2$\). This means that the 5d orbital has a d-shaped symmetry and can have five different orientations in space.

To learn more about angular momentum refer:

https://brainly.com/question/4126751

#SPJ11

Answer:

The yo-yo :)

Explanation:

Answer:

1.) D. There is an equal and opposite force impacting the hand

2.) B. In all situations

3.) A. Velocity decreases to conserve momentum

4.) A. p=mv

5.) C. 100 kg*m/s

6.) C. The train cars move together in the direction the large car was moving

7.) D. m1v1+m2v2=0

8.) D. By drawing the vectors one right after the other

9.) B. Increase the mass and decrease the acceleration by the same numeric values

10.) D. The change in velocity over time

11.) B. The ball has no net force acting on it

12.) A. m1v1i+m2v2i=m1v1f+m2v2f

Explanation:

Did the practice

(1) The fighters wear padded gloves to protect their hands because there is an equal and opposite force impacting the hand.

(2) The two balls when collide in a closed system will exert equal and opposite force.

(3) When the mass of the object increases, the velocity of the object will decrease to conserve momentum.

(4) The equation for calculating the momentum of an object is P = mv

(5) The momentum of the ball is 100 kg.m/s

(6) The train cars move together in the direction the large car was moving.

(7) The conservation of momentum of two objects is \(m_1v_1 - m_2v_2= 0\)

(8) The sum of two vectors can be found by  drawing the vectors perpendicular to each other.

(9) A closed system can be changed without changing the net force on the system by increase the mass and decrease the acceleration by the same numeric values.

(10) Acceleration is defined as the change in velocity over time.

(11) As ball rolls down at constant velocity, the ball has no net force acting on it.

(12) The conservation of momentum of the object is \(m_1v_1_i + m_2v_2_i = m_1v_1_f + m_2v_2_f\)

(1)

According to Newton's third law of motion, action and reaction are equal and opposite.

The fighters wear padded gloves to protect their hands because there is an equal and opposite force impacting the hand.

(2)

Based on the principles of conservation of linear momentum, the two balls when collide in a closed system will exert equal and opposite force.

(3)

The principles of conservation of linear momentum is written as;

\(m_1u_1 + m_2u_2 = m_1v_1 + m_2v_2\)

when the mass of the object increases, the velocity of the object will decrease to conserve momentum.

(4)

The equation for calculating the momentum of an object is written as;

P = mv

(5)

The momentum of the ball is calculated as follows;

P = mv

P = 50 x 2

P = 100 kg.m/s

(6)

For inelastic collision, the collided two objects move in the same direction after collision usually in the direction of heavier object.

The train cars move together in the direction the large car was moving.

(7)

The conservation of momentum of two objects is written as;

\(m_1v_1 = m_2v_2\\\\m_1v_1 - m_2v_2 = 0\)

(8)

The sum of two vectors can be found by  drawing the vectors perpendicular to each other.

(9)

A closed system can be changed without changing the net force on the system by increase the mass and decrease the acceleration by the same numeric values.

(10)

Acceleration is defined as the change in velocity over time.

(11)

At constant velocity , acceleration = 0

∑F = ma

∑F = m x 0

∑F = 0

Thus, as ball rolls down at constant velocity, the ball has no net force acting on it.

(12)

The conservation of momentum of the object is written as;

\(m_1v_1_i + m_2v_2_i = m_1v_1_f + m_2v_2_f\)

Learn more here:https://brainly.com/question/7538238

\( = \sf \frac{1}{2} m {v}^{2} \)

\( \sf = \frac{2.4J}{9.6J} \\ \sf= \frac{24}{96} = \frac{1}{4} \\ \sf = 1 : 4\)

Answer:

The kinetic energies of the bullets are 2.4 J and 9.6 J.

The bullet having greater velocity has more kinetic energy.

The ratio of their kinetic energies is 1 : 4.

Hope you could get an idea from here

Doubt clarification - use comment section.

The kinetic energy of the two bullets are 2.4 J and 9.6 J respectively.

The ratio of the kinetic energy of the bullets is 1:4.

The kinetic energy of an object is the energy possessed by the object due to its motion.

The kinetic energy of the two bullets is calculated as follows;

\(K.E_1 = \frac{1}{2} \times 0.003 \times 40^2 = 2.4 \ J\\\\K.E_2 = \frac{1}{2} \times 0.003 \times 80^2 = 9.6 \ J\)

Ratio of the kinetic energy of the bullets is calculated as follows;

\(K.E_1 : K.E_2 = 2.4: 9.6 \ = \ 1: 4\)

Learn more about kinetic energy here: https://brainly.com/question/25959744