California Science Test Physics Review

A shiny fancy new motion-detecting lab cart is released from rest on a 2m long frictionless ramp. It rolls down the ramp in 4 seconds.

What was the acceleration of the cart?

• 1/4 m/s/s

• 1/2 m/s/s

• 2 m/s/s

• 8 m/s/s

Tags

NGSS.HS-PS2-1

A shiny fancy new motion-detecting lab cart is released from rest on a 2m long frictionless ramp. It rolls down the ramp in 4 seconds.

What is the final velocity?

• 1 m/s

• 2 m/s

• 1/2 m/s

• 4 m/s

Tags

NGSS.HS-PS2-1

Joey stands on a balcony and drops a ball from rest off the edge. If the ball falls for 5 seconds (g=-9.8m/s²) before hitting the ground.

How high is the balcony?

• 122.5 m

• 49.5 m

• 24.5 m

• 250 m

Tags

NGSS.HS-PS2-4

Joey stands on a balcony and drops a ball from rest off the edge. If the ball falls for 5 seconds (g=-9.8m/s²) before hitting the ground.

What is the velocity just before it hits the ground?

• -49.5 m/s

• -5 m/s

• - 122.5 m/s

• -9.8 m/s

Tags

NGSS.HS-PS2-1

The ball rolls, with an initial velocity of 10m/s, and slows down at a rate of 2m/s². How long will it take to stop?

• 5 s

• 20 s

• 40 s

• 10 s

Tags

NGSS.HS-PS2-1

The ball rolls, with an initial velocity of 10m/s, and slows down at a rate of 2m/s². How far will it travel?

• 25 m

• 5 m

• 50 m

• 20 m

Tags

NGSS.HS-PS2-1

Consider the velocity vs. time graph for two skateboarders A and B.

In this scenario with two objects, what would have happened at t=5s?

• They collide.

• They pass each other.

• They each stop to turn around.

• Unknowable.