Physics - Momentum & Impulse

​ (a)   = mass x velocity

• momentum
• energy
• acceleration
• gravity
• work
• force

Tags

NGSS.HS-PS2-2

A soccer ball is moving towards Elena at a speed of 13 m/s. She kicks it in the opposite direction at a speed of 26 m/s. If the ball weighs 0.9 kg, what was the magnitude of the impulse delivered by her foot to the soccer ball?

• 35.1 N*s

• 209 N*s

• 11.9 N*s

• 92.5 N*s

Tags

NGSS.HS-PS2-2

How much momentum does a soccer ball have if it has a mass of 0.7 kg and is moving at a speed of 33 m/s?

• 23.1 kgm/s

• 27.3 kgm/s

• 2.1 kgm/s

• 9.3 kgm/s

Tags

NGSS.HS-PS2-2

 If a frisbee with a mass of 0.2 kg is traveling through the air at a speed of 77 m/s, how much momentum does it have?

• 15.4 kg*m/s

• 3.4 kg*m/s

• 14.4 kg*m/s

• 0.4 kg*m/s

Tags

NGSS.HS-PS2-2

Your buddy Rich throws you a frisbee. It goes over your head and lands 120 m away. If the frisbee was in the air for 5 seconds after Rich threw it, what was its average velocity?

• 24 m/s

• 600 m/s

• 325 m/s

• 115 m/s

A batter in a softball game hits a fly ball that is caught by the centerfielder.  The ball  weighs 0.7 kilograms, and the player's glove applied a 950 N force over 0.2 seconds to catch the ball. What was the ball's velocity while it was in the air?

• 271.4 m/s

• 111.9 m/s

• 150.0 m/s

• 8309.6 m/s

Tags

NGSS.HS-PS2-1

DeAngelo throws a rock that flies through the air at a speed of 90 m/s. If it has a momentum of 810 kg*m/s, what is the rock’s mass?

• 9 kg

• 1270 kg

• 18 kg

• 27 kg

Tags

NGSS.HS-PS2-2

A yellow Ferrari traveling at 150 m/s veers off the road and crashes into a large oak tree, coming to a complete stop in 0.25 seconds. If the Ferrari has a mass of 750 kg, how much force was delivered by the oak tree?

• 450,000 N

• 5750 N

• 175,250 N

• 360,000 N

Tags

NGSS.HS-PS2-1

Tucker is driving a 1100 kg truck at a speed of 40 m/s. He then applies 3000 N of force to the brakes for 2 seconds. What is his speed now?

• 34.5 m/s

• 0 m/s

• 27.5 m/s

• 38 m/s

Tags

NGSS.HS-PS2-1

Regina hits a 0.3 kg tennis ball against a wall during PE. The ball has a velocity of 15 m/s before it hits the wall, and a velocity of 9 m/s (in the opposite direction) after it bounces off the wall.  What impulse was delivered to the ball by the wall?

• 7.2 N*s

• 27.0 N*s

• 550.2 N*s

• 3.6 N*s

Tags

NGSS.HS-PS2-2