Imagine you wanted to launch a satellite so that it traveled in the opposite direction from usual that is east to west rather than the west to east.how fast would the rocket launching that satellite have to travel relative to the launching site , if you launched it from a point on the equator

To make green light from cyan light, you need to add red light to it. Cyan light has a wavelength of around 490-520 nanometers, which means it is close to blue-green on the visible spectrum. When you add red light, which has a wavelength of around 620-750 nanometers, the combination of the two colors will produce green light. This is because red and cyan are complementary colors, meaning they are opposite each other on the color wheel, and when mixed together, they produce green light.

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Answer:

yellow light

Explanation:

Yellow light can be added to cyan light to make green.

Inertia is directly related to the mass of an object.

Inertia is the tendency of an object to resist a change in its motion. The more mass an object has, the more inertia it has, and the harder it is to change its motion. This is why it is harder to push a heavy object than a light one.

The relationship between inertia and mass can be seen in Newton's Second Law of Motion, which states that the acceleration of an object is equal to the force applied to it divided by its mass. This means that the more mass an object has, the less it will accelerate when a force is applied to it. In conclusion, inertia is directly related to the mass of an object. The more mass an object has, the more inertia it has, and the harder it is to change its motion.

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The force on the bullet of mass 21 g  is 14795.12 N.

Force is the product of mass and acceleration.

To calculate the force exerted on the bullet while it is being accelerated, we use the work energy relation below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the force on the bullet is 14795.12 N.

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The latitude and longitude coordinates for Location C are given as 50S, 68W. Therefore, the correct answer is 4) Cannot discern from the information provided.

Latitude and longitudinal lines are shown on a globe of Earth as parallel and vertical lines. To determine which distance is farther, we need to compare the distance between Location B and the Equator with the distance between Location C and the Equator.

However, the latitude and longitude coordinates for Location B and the specific direction or coordinates of the Equator are not provided. Without this information, it is not possible to determine which distance is farther between Location B and the Equator or Location C and the Equator.

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The new (resultant) vector could be written as 0 m, since the vectors cancel each other out. The vector going 5 m West is cancelled out by the vector going 5 m East, and the vector going 11 m West is cancelled out by the vector going 11 m East. This means that the final result is a vector with a magnitude of 0 and no direction.

Answer:

Explanation:

A plane mirror is the kind you look into when you look into a "regular" mirror. The image you see is right-side-up. These images are virtual. Real images are always upside down and are made by mirrors that are "parabolic" in shape. Virtual images are always right-side-up.

When the velocity of a body is doubled, its kinetic energy is increased four times, its acceleration remains unchanged, its momentum is doubled, and its potential energy remains unchanged.

When the velocity of a body is doubled, the effect on various physical quantities is as follows:

(A) Kinetic energy is proportional to the square of the velocity of the body. When the velocity of the body is doubled, the kinetic energy is multiplied by four. Hence, the kinetic energy is not doubled but increased four times.

(B) Acceleration is change in velocity per unit time. When the velocity of a body is doubled, the acceleration does not change. Hence, the acceleration is not doubled.

(C) Momentum is mass times velocity. When the velocity of a body is doubled, the momentum is doubled as well. Hence, the momentum is doubled.

(D) Potential energy is energy a body has due to its physical position. When the velocity of a body is doubled, the potential energy does not change. Hence, the potential energy is not doubled.

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Answer:

90cm

Explanation:

2x5=10

10x9=90

Answer:

90 cm

Explanation:

To find volume, the formula is V=LWH

L is the length, W is the width and H is the height:

9 x 5 x 2 = 90

So V = 90 cm

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Answer:

pressure= 2000 Pa

Explanation:

pressure=  force/area

ρ=\(\frac{F}{A}\)

We don't have the force but we know that force and weight are the same things as they have the same unit.

weight= mass × gravitational force (gravitational force is constant at the value 10)

w= 2 × 10

w = 20N

So force= 20N

To find the area of the portion of the cube:

=  10 × 10

= 100 cm²

we should convert this to m²

100/10000

= 0.01 m²

ρ= \(\frac{20}{0.01}\)

ρ= 2000 Pa

Pressure= 2000 Pa

A 35–40 pound sandbag must be filled halfway to two thirds of the way. The maximum permitted weight for a typical pickup truck is 30 sandbags, or around 1,000 pounds.

Eight various size options for these Strongman Sandbags allow for approximative maximum load capabilities of 25LB or 50LB (for developmental practice or introduction young people to sandbag exercise) or 100, 150, 200, 250, 300, or 400LB (for experienced athletes).

Determine the size of each mineral inside the sand to compute its weight, then multiply that volume by its mass density. The weight of the sand can then be calculated by multiplying the mass of each component element by the regional acceleration of gravity.

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The momentum of the probe after the retrorocket ceases to fire is 9.9 * 10^7 Kg m/s

We know that the momentum of an object has to do with the product of the mass and the velocity of an object. The momentum of an object is a vector quantity and the direction of the momentum is the direction of the velocity of the object that is in motion.

According to the Newton second law of motion, we know that the rate of change of the momentum is equal to the impressed force that is acting on the body.

We know that;

\(F_{t}\) = \(p_{f}\) -\(p_{i}\)

F = force

t = time taken

\(p_{f}\)= final velocity

\(p_{i}\) = initial velocity

\(p_{f}\) = \(F_{t}\)  + -\(p_{i}\)

\(p_{f}\) = (2.0 * 10^6 * 12 s) + 7.5 * 10^7

\(p_{f}\)  = 2.4 * 10^7 + 7.5 * 10^7

\(p_{f}\)  = 9.9 * 10^7 Kg m/s

Hence, the momentum of the retrorocket is 9.9 * 10^7 Kg m/s.

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Missing parts;

A  space probe is traveling in outer space with a momentum that has a magnitude of  7.5 * 10^7 kgm/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 2.0  * 10^6 N and a direction opposite to the probe's motion. It fires for a period of 12 s. Determine the momentum of the probe after the retrorocket ceases fire.

We are given that:

We need to find:

Using equations of motion:

➙ v² - u² = 2as

➙ v = u + at

here,

From the given information, we can conclude that:

Now, using equation of motion:

➝ v = u + at

➝ v = 0 + ( 8 × 1.5 )

➝ v = 0 + 12 .0

➝ v = 12 m/s

For, acceleration :

➝ v² - u² = 2as

➝ ( 12 )² - ( 0 )² = 2 × 8 × s

➝ 144 - 0 = 16s

➝ 16 s = 144

➝ s = 144 / 16

➝ s = 9m

\( \dag\) Since, we take displacement in terms of distance in some places, therefore we can say that the height from which the object was dropped is 9 meters .

The height of the liquid column is 4.08 metres.

The peak of the liquid column is 4.08 metres.

As we realize that any liquid exerts a strain at a factor relies upon on the density of the liquid and the vertical intensity. depth is given = h and the acceleration because of gravity is g.

calculation:-

pressure = ρgh

ρ = density of the liquid

g = accaleration due to gravity

h = depth from the surface

l = 500kg/m3

p = 20,000

g = 9.8 ms-2

20,000Pa= 500*9.8*h

h=4.08m

The stress is the measure of pressure acting on a unit region. Density is the measure of the way intently any given entity is packed, or it is the ratio of the mass of the entity to its extent. The relation between strain and density is direct. exchange in stress will be contemplated in a exchange in density and vice-versa.

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To determine whether the speed of the center of mass of the two-block system is either constant or not constant during the time interval from t2 to t4,

we need to consider the forces acting on the blocks and their motion during this period.

Step 1: Identify the forces acting on the blocks during the time interval from t2 to t4.

Step 2: Determine if there is a net external force acting on the system during this time interval.

Step 3: Analyze the motion of the center of mass of the system based on the net external force.

If there is no net external force acting on the two-block system during the time interval from t2 to t4, the speed of the center of mass will remain constant, as per the conservation of linear momentum.

This is because, in the absence of an external force, the internal forces acting between the blocks will cancel each other out, resulting in no change in the overall momentum of the system.

However, if there is a net external force acting on the system during this time interval, the speed of the center of mass will not be constant.

This is because the external force will cause the system's momentum to change, resulting in a change in the speed of the center of mass.

In conclusion, the speed of the center of mass of the two-block system is either constant or not constant during the time interval from t2 to t4, depending on the presence or absence of a net external force acting on the system.

If there is no net external force, the speed remains constant; otherwise, it will not be constant.

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Answer:

A) Variety of Living Things

Explanation:

Biodiversity is defined as the variety of life in the world or in a particular habitat or ecosystem.

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The four factors that can be affected by different substances interacting with different EM waves are absorption, reflection, transmission, and emission.

The four factors that can be affected by different substances interacting with different EM waves are;

Absorption: When a substance interacts with an EM wave, it can absorb some or all of the energy of the wave.

Reflection: Instead of being absorbed, some EM waves can bounce off a substance and reflect back.

Transmission: When EM waves pass through a substance, they can be affected by the properties of the substance.

Emission: Some substances can emit EM waves of their own when they interact with other waves.

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Answer:

Explanation:

For resistance the formula is as follows

R = ρ L/S

where L is length of the wire , ρ is a constant for a specific material called specific resistance and S is cross sectional area .

For 0.6 m wire , putting the values

.13 = ρ x 0.6 / S

For unknown wire

R = ρ x 187 / S

Dividing the two equations

R / .13 = 187 / .6

R = (.13 x 187) / .6

= 40.5 ohms .

Tango landed in a site of lower temperature while Foxtrot landed in a site of higher temperature.

Speed of sound increases with increase in temperature because air molecules acquires more kinetic energy which increases their rate of vibration.

From the information, the speed of sound picked by Foxtrot (258 m/s) is greater than the speed of sound picked by Tango (240 m/s).

We can conclude that, Tango landed in a site of lower temperature while Foxtrot landed in a site of higher temperature.

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We have that the electric field at the center of the metal ball due only to the charges on the surface of the metal ball is

\(E=7*10^{9}N/C\)

From the question we are told that

A solid metal ball of radius 1.5 cm

bearing a charge of -15 nC is located near a hollow plastic ball of radius 1.9 cm bearing

uniformly distributed charge of -7 nC

The distance between the centers of the balls is 9 cm

Generally the equation for the electric field  is mathematically given as

\(E=\frac{kq_2}{d^2}\\\\E=\frac{(9*10^9)7*10^{-2}}{9*10^{-2}}\\\\\)

\(E=7*10^{9}N/C\)

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The term used to describe the energy of a system that is available to do work is free energy.

Free energy is the energy that is available in a particular chemical system to do useful work.

The Gibbs free energy denoted by G is the enthalpy of a system minus the product of its entropy and absolute temperature.

It is referred to as free because the energy is readily available anytime. Free energy is measured in kilojoules per mole (KJ/mol).

Therefore, it can be said that the term used to describe the energy of a system that is available to do work is free energy.

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Answer:

50 kmph

Explanation:

300 / 6 = 50

Answer:

0.45m/s

Explanation:

Given parameters:

Distance = 1.8m

Time  = 4s

Unknown:

Speed of the car  = ?

Solution:

The speed of a body is the distance divided by the time.

       Speed  = \(\frac{distance}{time}\)  

So;

     Speed  = \(\frac{1.8}{4}\)   = 0.45m/s

Answer and Explanation:Option A->The innermost layer of the earth is known as the core. It is divided into inner core and outer core. It comprises of a high concentration of nickel and iron.

Answer:

117,30m

Explanation:

I think the situation here is a horizontal projection to the ground. So in order to find the distance the formula = Ut, where U is the initial speed and t is the Time of flight. To get the time of flight in this case =√2h/g where h is the height and g is gravity. so to get the time = √2×300÷9.81 =7.821 .so range =ut which is equal to the time multiplied by 15m/s =117.30m

Hi there!

To find the total distance traveled, we must find the time taken to fall down.

Ignore the horizontal velocity when dealing with the vertical direction. We can use the simplified equation:

\(t = \sqrt{\frac{2h}{g}{}}\)

Plug in the given values:

\(t = \sqrt{\frac{2(300)}{9.81}} = 7.821 sec\)

Use the equation:

Δd = vt

Plug in the time and horizontal velocity:

Δd = (15)(7.821) = 117.30m

Answer:

800km/s

Explanation:

Initial momentum = final momentum

the total momentum is zero, Before the release of the asteroid , but Superman and the asteroid are not moving.

So, according to the Conservation of momentum the total momentum when the astronaut is been thrown will equals to zero . Then we can say

Initial momentum = final momentum

Because the momentum of the Superman immediately the asteroid is been thrown is equal to the momentum of the asteroid

Momentum =(mass ×velocity)

the mass of the asteroid i= 1000M

Given velocity = 800 m/s,

momentum =(1000M)(800 m/s)

= 800,000M m/s.

to get the answer, we need to divide by Superman's mass, M, which gives his recoil velocity of 800,000 m/s.

But we're told to convert to km/ s

We know that 1m/s=0.001km/s

=(800,000M m/s)× (0.001km/s)

=800km/s

Therefore, his recoil speed (in km/s) is 800km/s

The primary force acting on the plates at each boundary depends on the type of boundary. Tension is the primary force at divergent boundaries, compression at convergent boundaries, and shear stress at transform boundaries.

The Earth's lithosphere is broken into several plates that move and interact with each other. These interactions can lead to geological events such as earthquakes, volcanic eruptions, and mountain building. The movement of the plates is driven by the forces acting on them at their boundaries.

There are three main types of plate boundaries: divergent, convergent, and transform. At divergent boundaries, plates move away from each other, resulting in the formation of new crust. At convergent boundaries, plates move towards each other, and one plate is usually subducted, or forced beneath the other plate, into the mantle. At transform boundaries, plates slide past each other.

The primary force acting on the plates at each boundary varies. At divergent boundaries, the primary force is tension, as the plates are moving away from each other. At convergent boundaries, the primary force is compression, as the plates are being pushed together. At transform boundaries, the primary force is shear stress, as the plates are moving past each other.

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The total mechanical energy of the bicyclist is 1400 J, obtained by adding her potential energy of 720 J and kinetic energy of 680 J. The correct answer is option B.

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