Kinematics and Freefall REVIEW

A wombat was walking at 2 m/s then accelerated and ended up going 4 m/s after 8 seconds.

What is the initial velocity of the wombat?

• 2 m/s

• 4 m/s

• 8 s

• cannot be determined

Tags

NGSS.HS-PS2-1

A wombat was walking at 2 m/s then accelerated and ended up going 4 m/s after 8 seconds.

What is the final velocity of the wombat?

• 2 m/s

• 4 m/s

• 8 s

• cannot be determined

Tags

NGSS.HS-PS2-1

A wombat was walking at 2 m/s then accelerated and ended up going 4 m/s after 8 seconds.

What is the acceleration of the wombat?

• 0.25 m/s*s

• 0.5 m/s*s

• 8 m/s*s

• 1.5 m/s*s

Tags

NGSS.HS-PS2-1

You drop a cannon ball off a desk. It hits the ground after 1 second.

What was the initial velocity of the cannon ball?

• 0 m/s

• 1 s

• -10 m/s*s

• pickles

Tags

NGSS.HS-PS2-4

You drop a cannon ball off a desk. It hits the ground after 1 second.

What was the acceleration of the cannon ball (rounded to a whole number)?

• 0 m/s

• 1 s

• -10 m/s*s

• 10 m/s*s

Tags

NGSS.HS-PS2-1

You drop a cannon ball off a desk. It hits the ground after 1 second.

What was the displacement of the cannon ball?

• -10 m

• 10 m

• -5 m

• 5 m

A car accelerates from rest to 20 m/s in 5 seconds.

What is the average acceleration of the car?

• 4 m/s*s

• 5 m/s*s

• 20 m/s

• cannot be determined

Tags

NGSS.HS-PS2-1

A car accelerates from rest to 20 m/s in 5 seconds.

What is the initial velocity of the car?

• 4 m/s*s

• 5 m/s*s

• 20 m/s

• 0 m/s

A ball is thrown upwards with an initial velocity of 15 m/s.

What is the velocity of the ball at its highest point?

• 0 m/s

• 15 m/s

• -15 m/s

• cannot be determined

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

A ball is thrown upwards with an initial velocity of 15 m/s.

What is the velocity of the ball just before it lands back in the hand?

• 0 m/s

• 15 m/s

• -15 m/s

• cannot be determined