Momentum & Collisions Virtual Exploration Lab Quiz

In the simulation, what can you manipulate at the bottom of the page?

• The mass of the spheres.

• The color of the spheres.

• The shape of the spheres.

• The temperature of the spheres.

What do you observe about the motion of the spheres after they collide in the simulation?

• They move away from each other at different velocities.

• They stop moving completely.

• They merge into one sphere.

• They move in circles.

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What happens when you press play in the simulation?

• The spheres move toward each other and then away at different velocities.

• The spheres disappear.

• The spheres change color.

• The spheres grow larger.

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What is the relationship between mass and velocity in calculating momentum?

• Momentum is the product of mass and velocity.

• Momentum is the sum of mass and velocity.

• Momentum is the difference between mass and velocity.

• Momentum is the ratio of mass to velocity.

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What does the simulation allow you to observe?

• The motion of two spheres during a collision.

• The growth of plants.

• The melting of ice.

• The boiling of water.

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What is the correct statement about Newton’s Third Law?

• For every action, there is an equal and opposite reaction.

• Objects at rest stay at rest.

• Force equals mass times acceleration.

• Energy cannot be created or destroyed.

What does it mean if a collision is 100% elastic?

• All of the kinetic energy is conserved.

• All of the kinetic energy is lost.

• The objects stick together after the collision.

• The objects break apart after the collision.

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What is the Law of Conservation of Momentum?

• The total momentum before and after a collision is equal.

• The total mass before and after a collision is equal.

• The total velocity before and after a collision is equal.

• The total energy before and after a collision is equal.

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If a sphere has a mass of 0.50 kg and a velocity of 1.00 m/s before impact, what is its momentum before impact?

• 0.50 kg m/s

• 1.00 kg m/s

• 0.25 kg m/s

• 1.25 kg m/s

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What is the momentum after impact for a 1.50 kg sphere with a velocity of 0.25 m/s?

• 0.38 kg m/s

• 0.25 kg m/s

• 0.50 kg m/s

• 1.00 kg m/s

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