Momentum - CHAP 5 - L11 - HW

If a 6 kg bowling ball is rolled down the bowling lane with velocity of 3.5 m/s, what is the momentum of the ball?

• 21 kg·m/s

• 18 kg·m/s

• 24 kg·m/s

• 20 kg·m/s

If an object has a velocity of 8 m/s and a momentum of 40 kgm/s, what is the mass of the object?

• 5 kg

• 6 kg

• 7 kg

• 8 kg

A bicycle has a momentum of 25 kgm/s and a velocity of 2.5 m/s, what is the bicycle’s mass?

• 10 kg

• 12 kg

• 15 kg

• 20 kg

What is the velocity of a 0.5 kg ball that has a momentum of 3 kgm/s?

• 6 m/s

• 3 m/s

• 1.5 m/s

• 0.5 m/s

How much force is needed to accelerate a 100 kg mass at a rate of 2.5 m/s²?

• 250 N

• 200 N

• 150 N

• 100 N

What is the force acting on a 0.5 kg object moving at a rate of 100 m/s²?

• 50 N

• 100 N

• 150 N

• 200 N

What is the mass of an object that is accelerating at a rate of 25 m/s² and is using 15 N of force?

• 0.6 kg

• 1.5 kg

• 0.75 kg

• 1.2 kg

Timmy pushes off the pool wall with a force of 2300 N and accelerates at 15 m/s². What is Timmy’s mass?

• 153.33 kg

• 150 kg

• 145 kg

• 155 kg

Tonya uses a 418 N force to move a 56 kg mass. At what rate does the object accelerate?

• 7.46 m/s²

• 8.25 m/s²

• 6.50 m/s²

• 7.00 m/s²

How much momentum does a 25 kg mass moving at 25 m/s have?

• 625 kg·m/s

• 500 kg·m/s

• 750 kg·m/s

• 1000 kg·m/s