A
0.30
−
k
g
0.30−kg ball is attached at the end of a
0.90
−
m
−
0.90−m− long stick.The ball and stick rotate in a horizontal circle. Because of air resistance and to keep the ball moving at constant speed,a continual push must be exerted on the stick, causing a
0.036
−
N
⋅
m
0.036−N⋅m torque. Determine the magnitude of the resistive force that the air exerts on the ball opposing its motion. What assumptions did you make?

Answer:

In 5 years or so, the sun will be awash in sunspots and more prone to violent bursts of magnetic activity.

Explanation

once the magnetic field weakens the area and cold plasma enters the area of the sunspot

Answer

The answer is C I took the test an got an A.

Explanation:

K12 ASTRONOMY 7.07.04

Answer:

jhnnmhunn vgu fhbiy f

Explanation:

hjbgyvfvubhjgvg

Answer:10 kg

Explanation: momentum p = mv and m = p/v

Mass m = 2000 kgm/ s / 200 m/s

Answer:

11 = 11

Explanation:

Answer:

True

Explanation:

3+2x4=3+(2x4), they both equal 11

Answer:

a_AV - 15 m/s – 36 m/s =-70 m/s2. At. 3.0 s.

Explanation:

The average acceleration of the car as it slows down is  -5 m/s².

Given is a race car that slows down from 36 m/s to 15 m/s in 3 seconds.

initial velocity [u] = 36 m/s

final velocity [v] = 15 m/s

time taken [Δt] = 3 s

We can calculate the acceleration as follows -

a = Δv/Δt

a = (v - u) / Δt

a = (15 - 30)/3

a = -15/3

a = -5 m/s²

Therefore, the average acceleration of the car as it slows down is

-5 m/s².

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Answer:

the answer is c

Explanation:

by transferring heat from the tropics to the colder climates

The statement which best describes how the ocean convection cycle impacts different climates is by transferring heat from the tropics to the colder climates. Thus, the correct option for this question is C.

The ocean convection cycle may be characterized as a type of methodology through which the mesoscale ocean circulation and large, strong winds mix layers of water at different depths.

During this cycle, when one part of a fluid is heated, the temperature difference causes by transferring heat from the tropics to the colder climates fluid to move in a current or defined direction. As the heated fluid rises, it is replaced by a cooler fluid, which is sometimes referred to as a convection cycle.

Therefore, transferring heat from the tropics to the colder climates is the process that best describes how the ocean convection cycle impacts different climates. Thus, the correct option for this question is C.

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“The electric flux through a closed surface is equal to the net charge inside the surface divided by the physical constant. This law is a fundamental principle in electrostatics and is expressed mathematically as E.ds = Q/ε0.

Gauss’s Law for electric fields is a fundamental principle in physics, specifically in the study of electrostatics. The law describes the relationship between the electric flux and the distribution of electric charges in a given space. Simply put, it states that the electric flux through a closed surface is proportional to the total amount of electric charges inside the surface. In mathematical terms, the statement of Gauss’s Law for electric fields is as follows: E.ds = Q/ε0Here, E.ds represents the electric flux through a closed surface, Q represents the total electric charge enclosed within the surface, and ε0 is the physical constant known as the permittivity of free space. This equation can be used to calculate the electric field created by a given charge distribution, provided that the electric flux through a closed surface around the distribution is known.

Gauss’s Law for electric fields states that the electric flux through a closed surface is proportional to the net electric charge enclosed within the surface. This law is a fundamental principle in electrostatics and is expressed mathematically as E.ds = Q/ε0.

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Answer:

600

Explanation:

The time taken by the planet Mars to complete one orbit of the Sun is 5.94 x 10⁷ seconds.

Given information: In the spring of 2021, the New Horizons spacecraft reached a distance of 50 astronomical units ("AU") from Earth. One astronomical unit is the distance from the Earth to the Sun or about 150 million km.

Calculation: To find how many km was New Horizons from Earth, we need to multiply the distance in AU by the conversion factor. 1 AU = 150 million km 50 AU = 50 x 150 million km = 7.5 billion km Thus, the New Horizons spacecraft was 7.5 billion km from Earth in the spring of 2021. Now, let's move on to the second question. The planet Mars completes one orbit of the Sun in 687 days. We need to express this time in seconds using scientific notation.

To convert days to seconds, we need to multiply the number of days by the conversion factor. 1 day = 86400 seconds 687 days = 687 x 86400 seconds= 5.94 x 10⁷ seconds (using scientific notation) Therefore, the time taken by the planet Mars to complete one orbit of the Sun is 5.94 x 10⁷ seconds.

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Follow my lead or ur answer is very wrong

Hi there!

For someone to hear an echo, the sound must echo and bounce back to the person.

Thus, the sound travels TWICE the distance from the person to the wall (to the wall and back).

We know that:

d = st  (distance = speed × time)

Let L = distance from person to wall

Thus:

2L = st

2L = 330 × 0.40

2L = 132

L = 66 m

Answer:

i think 25 centimeters but who knows

We are given that a growing person needs a diet that supplies about 10 MJ of energy per day.

To convert this to energy supplied per second, we can use the following conversion:

1 day = 24 hours/day x 60 minutes/hour x 60 seconds/minute = 86400 seconds

Therefore, the energy supplied per second is:

10 MJ/day = 10,000,000 J/day ÷ 86400 seconds/day = 115.74 J/s

The person's average power is the energy supplied per second, which is:

P = 115.74 J/s ≈ 120 W (rounded to the nearest 10 W)

Therefore, the person's average power is approximately 120 W.

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The maximum velocity of a particle on the string is approximately 0.98 m/s.

To find the maximum velocity of a particle on the string, we can use the given tension, linear density, amplitude, and wavelength values.

Given:

- Tension (T) = 55.0 N

- Linear density (μ) = 4.70 g/m = 0.00470 kg/m (converted to kg/m)

- Amplitude (A) = 3.00 cm = 0.03 m (converted to meter)

- Wavelength (λ) = 2.10 m

First, we can find the wave speed (v) using the equation v = √(T/μ):

v = √(55.0 N / 0.00470 kg/m) ≈ 34.66 m/s

Next, we can find the angular frequency (ω) using the equation ω = 2πv/λ:

ω = (2π * 34.66 m/s) / 2.10 m ≈ 32.74 rad/s

Finally, we can find the maximum velocity of a particle on the string (v_max) using the equation v_max = Aω:

v_max = 0.03 m * 32.74 rad/s ≈ 0.98 m/s

So, the maximum velocity of a particle on the string is approximately 0.98 m/s.

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Answer:

i would say putting effort into something

Explanation:

Answer:

put many effort into one thing or many

Explanation:

Gravity would still pull you down although it wouldn't affect you as much because there is less gravitational pull in high places such as Mt. Everest.

Answer:

eeeeeeeeeeeeeeeeeeeeeeeeeee

Answer:

Reversible change

A reversible change is a change that can be undone or reversed.

Irreversible change

A change is called irreversible if it cannot be changed back again.

Explanation:

A change which can happen backward, that is, can be reversed is called a reversible change. A change that cannot happen backward, that is, it cannot be reversed is called an irreversible change.

ARMY right?

Answer:

The heat of formation of the products of the heating of sugar, which is caramel is higher and due to the new complexes formed such there is increased change in free energy between the products and the reactants of the sucrose decomposition by heating, making the reaction is irreversible

Explanation:

Sugar, also known as sucrose, C₁₂H₂₂O₁₁, is a disaccharide made up two monosaccharides, fructose, C₆H₁₂O₆, and glucose, C₆H₁₂O₆ joined together by a glycosidic covalent bond as such the molecule of sugar has one less molecule of H₂O than the fructose and the glucose it is made of which on heating the sugar the glycosidic bonds break and due to deficiency in the amount of H₂O the fructose and glucose combine with themselves to form caramel which has a much lower hydrogen and oxygen proportion such as C₂₄H₂₆O₁₃, which is darker and contains free radicals making caramel sticky.

Therefore, the heat of formation of the caramel is higher and due to the formation of the complexes there is increased change in free energy between the products than the reactants of the decomposition of sugar by heating, therefore, the reaction is irreversible.

1.5 gram per cubic centimeter

Answer:

B:O

Explanation:

As acceleration is the rate of change of velocity with time, if velocity is uniform, there will be no change in it and acceleration will be zero.

To determine the value of c2−4mk, we need to use the given values and equations.Given: m = 4 kg (mass), k = (7.5 N / 1.5 m) = 5 N/m (spring constant), c = 4 (damping constant)

Using these values, we can calculate c2−4mk as follows:
c2−4mk = (4)2 - 4(5)(4) = 16 - 80 = ... (final result)
To find the position of the mass after it is released with zero velocity, we can use the equation of motion for a damped harmonic oscillator:
x(t) = A * e^(-ct/2m) * cos(√(k/m - c^2/4m^2) * t + φ)
In this case, the mass is released with zero velocity, which means the initial conditions are:
x(0) = 3 m (initial displacement)
v(0) = 0 m/s (initial velocity)
Using these initial conditions and the given values, you can substitute them into the equation to calculate the position of the mass at any given time. The phase angle φ can be determined based on the specific initial conditions.

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A cart is transferred in an instant line. if we double each the mass and speed of the cart, the magnitude of its momentum trade: a doubling of the momentum.

In arithmetic, the magnitude or length of a mathematical object is a property which determines whether the object is greater or smaller than different objects of the equal type. more officially, an object's magnitude is the displayed end result of an ordering —of the magnificence of gadgets to which it belongs.

The time period value is defined as “how a good deal of a quantity”. as an example, the value can be used for explaining the contrast between the speeds of a car and a bicycle. it is able to also be used to provide an explanation for the distance traveled by means of an object or to provide an explanation for the quantity of an item in phrases of its value.

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The L'Hospital's rule states that if two functions tend to the same limit, then their derivatives also tend to the same limit. In the case of the pulley problem, when the system reaches equilibrium, the value of x is the limit of the ratio of the forces acting on the pulley.

To solve this problem, we need to use L'Hopital's Rule, which states that if the limit of the ratio of two functions f(x) and g(x) is in the form of 0/0 or ∞/∞, then the limit of the ratio can be found by taking the derivative of both functions and finding the limit of the new ratio. In this case, we are given the equation: f(x) = g(x) Taking the derivative of both sides gives us:

Now we can plug in the values for f(x) and g(x) and solve for x:

Setting the two derivatives equal to each other and solving for x gives us:

Therefore, when the system reaches equilibrium, the value of x is 2.

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The torque of force A about point O can be calculated using the cross product of the position vector from O to the point of application of force A and the force vector A.

Torque is a measure of the rotational force acting on an object. It depends on the magnitude of the force and the distance from the point of rotation. In this case, to calculate the torque of force A about point O, we need to find the cross product of the position vector from O to the point where force A is applied and the force vector A. The cross product gives a vector that is perpendicular to both the position vector and the force vector, representing the rotational effect. The magnitude of this vector represents the torque, and its direction follows the right-hand rule.

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The electric force between the droplets, and the horizontal acceleration this force produce on the droplets are: 5.84*10^-7 N and 0.32 m/s² respectively

In physics the electric force is the force that attracts or repels two charges (q) separated at a distance called (r), this is expressed in the international system of units in Newton.

To solve this exercise the electric force formulas and the procedures we will use are:

Where:

Given Info:

Applying the electric force formula we have:

F = (k * q1 * q2)/r²

F = [(9 *10^9 N*m²/C² * (2.9*10^-11 C) * (2.9*10^-11 C)]/ (3.6*10^-3 m)²

F = 7.569*10^-12 N*m² /1.296*10^-5 m²

F = 5.84*10^-7 N

Applying the force formula and clearing the acceleration, we get:

a= F/m

a= 5.84*10^-7 N/ 1.8*10^-6 kg

a= 0.32 m/s²

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Answer:

Yes it can

Explanation:

Answer:

its c

Explanation: