Free Fall Test Corrections

A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be 

• less than the speed it had when thrown upwards.
• more than the speed it had when thrown upwards.
• the same as the speed it had when thrown upwards.

Tags

NGSS.HS-PS2-2

A ball is thrown upward with an initial speed of 30m/s. At what location will the ball be moving downward with a speed of 20m/s

• A

• B

• E

• F

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A ball is thrown upward with an initial speed of 30m/s. At what location will the ball be moving upward with a speed of 20m/s

• A

• B

• E

• F

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following statements applies to the motion of a ball rising and then falling in free fall?
I. The ball has constant acceleration as it moves upward.
II. The ball has constant acceleration at the top of its path.

III. The ball has constant acceleration as it moves downward.

• I only
• III only
• I and III
• I, II, and III

Tags

NGSS.HS-PS2-1

A baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At what point in the ball’s path does it experience zero velocity and nonzero acceleration at the same time?

• midway on the way up
• at the top of its path
• the instant it leaves the catcher’s hand
• the instant before it arrives in the catcher’s mitt

Tags

NGSS.HS-PS2-1

A rocket is fired upward with an initial velocity of 35 m/s. Find the rocket's maximum altitude.

• 150 m
• 62.5 m
• 1.8 m
• It will never leave the earth.

Tags

NGSS.HS-PS2-4

A free falling object falls for 1.6 s. What is the final velocity?

• -15.68 m/s
• - 9.8 m/s
• - 6.125 m/s
• - 25.088 m/s

Tags

NGSS.HS-PS2-4

A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?

• 4 seconds 
• 2 seconds 
• 6 seconds 
• 8 seconds 

A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 2 seconds? 

• 0 m/s 
• 20 m/s traveling upward
• 20 m/s traveling downward
• 40 m/s traveling downward

Tags

NGSS.HS-PS2-1

A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 5 seconds?

• 20 m/s traveling upward.

• 10 m/s traveling downward.

• 20 m/s traveling downward.

• 30 m/s traveling downward.