PHYSICS

What refers to the change in momentum?

• A. impulse

• B. momentum

• C. projectile

• D. trajectory

It refers to the speed at which an object travels.

• A. acceleration

• B. distance

• C. speed

• D. velocity

It means being moved.

• A. mass

• B. motion

• C. speed

• D. velocity

It refers to the quantity of matter in an object.

• A. mass

• B. motion

• C. projectile motion

• D. trajectory

It is equal to the product of mass and velocity.

• A. speed

• B. impulse

• C. mass

• D. momentum

Which has more momentum, a heavy truck moving at 30 km/h or a light truck moving at 30 km/h?

• A. heavy truck

• B. light truck

• C. both has the same momentum

• D. cannot be determined. 

A lady tennis player hits an approaching ball with a force of 750 N. If she hits the ball in 0.002 s, how much impulse is imparted to the tennis ball?

• A. 0 N•s

• B. 1.5 N•s

• C. 3.0 N•s

• D. 6.0 N•s

In the table above, what is the momentum of the jeepney?

• A. 6,000 kg•m/s

• B. 40,000 kg•m/s

• C. 20,000 kg•m/s

• D. 3,000 kg•m/s

Which has greater momentum, the jeepney or the motorcycle?

• A. jeepney

• B. motorcycle

• C. both have the same momentum

• D. cannot be determined

A 25-kg girl is riding a 5-kg with a velocity of 5 m/s the East. What is the total momentum of a girl and a bike together?

• A. 100 kg•m/s

• B. 125 kg•m/s

• C. 150 kg•m/s

• D. 200 kg•m/s