Physics LT2

A ball is rolling down a flat, frictionless ramp with a constant velocity of 13 m/s. What is the acceleration of the ball over three seconds?

• 0 m/s²

• 13 m/s²

• 3 m/s²

• 9.8 m/s²

A highway engineer wants to calculate the length of an on-ramp so that a car accelerating from rest at a rate of 0.50 m/s² is able to reach a velocity of 20.0 m/s. How long must the on-ramp be?

• 400 m

• 800 m

• 200 m

• 100 m

If a car accelerates from rest at a constant rate of 5.5 m/s² north, how long will it take for the car to reach a velocity of 28 m/s north?

• 5.1 seconds

• 4.5 seconds

• 6.0 seconds

• 3.8 seconds

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Tags

NGSS.HS-PS2-1

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

Tags

NGSS.HS-PS2-1

Which shows an object speeding up?

• A

• B

• C

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. 

What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Tags

NGSS.HS-PS2-1

A cyclist accelerates from rest at a rate of 2 m/s². How long will it take to reach a speed of 16 m/s?

• 12 seconds

• 10 seconds

• 8 seconds

• 6 seconds

A train moving at 30 m/s comes to a stop in 10 seconds. What is the train's acceleration?

• -1 m/s²

• -4 m/s²

• -2 m/s²

• -3 m/s²