Impulse-Momentum

Front

What is the relationship between speed and momentum when speed is doubled?

Back

When the speed of an object is doubled, its momentum also doubles.

Front

How do you calculate the momentum of an object?

Back

Momentum is calculated using the formula: momentum = mass × velocity.

Front

What is the momentum of a 50 kg ball rolling at 5 m/s?

Back

The momentum of the ball is 250 kg*m/s.

Front

If a runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s, how do you find his mass?

Back

Use the formula: mass = momentum / velocity. The mass is 74.4 kg.

Front

What is impulse in physics?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time.

Front

How is impulse calculated?

Back

Impulse is calculated using the formula: impulse = force × time.

Front

What is the impulse on a 3 kg ball slowed down from 9 m/s to 3 m/s by a 5 N force?

Back

The impulse on the ball is -18 N⋅s.

Front

What is the formula for calculating impulse when a constant force is applied?

Back

Impulse = Force × Time.

Front

If a boy kicks a football with a force of 20 N for 0.3 s, what is the impulse on the ball?

Back

The impulse on the ball is 6 N⋅s.

Front

What does a negative impulse indicate about the motion of an object?

Back

A negative impulse indicates that the object is slowing down.