Fall Final 2020: Free Fall

A freely falling object starts from rest. After falling for 6  seconds, it will have a speed of about 

• 6m/s
• 30m/s
• 60m/s
• 300m/s

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

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.MS-PS3-1

NGSS.MS-PS3-5

In the absence of air resistance, objects fall at constant 

• speed
• velocity
• acceleration
• distances each successive second.

Tags

NGSS.HS-PS2-1

Approximately how far can an object fall in 5 seconds?

• 5 m

• 25 m

• 50 m/s

• 125 m

An object is thrown downwards with a velocity of 5 m/s for 5 seconds. What is its velocity after 5 seconds?

• 55 m/s

• 45 m/s

• 50 m/s

• 10 m/s

An arrow is shot vertically upward at 25 m/s. What is the velocity at maximum height?

• 0 m/s

• 10 m/s

• 625 m/s

• 1.25 m/s

An arrow is shot vertically upward with a velocity of 25 m/s. How high did it go?

• 625 m

• 125 m

• 31.25 m

• 25 m

A basketball player jumped up at a velocity of 10 m/s, touches the basketball hoop, and lands on the ground. How long was he in the air for? (HINT: Calculate time up and then multiply it by two)

• 1 s

• 2 s

• 20 s

• 10s

A bowling ball is dropped from planet X. It takes 6 seconds to fall a distance of 50 m. What is it's acceleration?

• 10 m/s²

• 2.78 m/s²

• 300 m/s²

• 8.33 m/s²

What is the velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (assume g is rounded to 10 m/s²)?. 

• 10, 20, 30, 40, 50 m/s
• 5, 10, 15, 20, 25 m/s
• 5, 20, 45, 80,125 m
• 10,10,10,10,10 m/s

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1