Momentum and Collisions

A bow has a mass of 3 kg and the arrow has a mass of 0.9 kg. If the velocity of the arrow is 125 m/s after it was launched, what is the recoil velocity of the bow?

Tags

NGSS.HS-PS2-2

What impulse must Cheyenne apply to a 0.7 kg softball to cause a velocity change of 43 m/s?

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A snow boarder applied a constant braking force of 600 N for 12 seconds when traveling at 22 m/s. Find the magnitude of the impulse applied to stop the snowboarder.

Tags

NGSS.HS-PS2-1

A 72 kg snow boarder applied a constant braking force of 600 N when traveling at 22 m/s. Find the magnitude of the impulse applied to stop the snowboarder.

• undefined

Tags

NGSS.HS-PS2-1

Noelia decides she really wants to play volleyball now. She picks up a 0.32kg volleyball that is initially at rest and hits it. After 0.4 seconds of contact, the ball leaves her hand with a speed of 26 m/s. Find the magnitude of the average force exerted by the volleyball on her hand.

Tags

NGSS.HS-PS2-1

If an object having a mass of 10 kg is acted upon by a force that causes its speed to increase from 16 m/s to 20 m/s, the impulse causing this change in speed is _______?

A cart rolling down the street at 17 meters per second comes to a rest by an impulse of 92 newton*seconds. What is the mass of the cart?

Tags

NGSS.HS-PS2-1

If a net force of 9 newtons acts on a 14 kilograms mass for 12 seconds, the total change in momentum of the mass is

Tags

NGSS.HS-PS2-1

A 0.7 kg toy car has a momentum of 13 kg*m/s. What is the car’s speed?

Tags

NGSS.HS-PS2-2

The Law of Conservation of Momentum states that the amount of momentum in a system is ___________________ before and after a collision.

• greater

• decreased

• the same

• unknown

Tags

NGSS.HS-PS2-2