Freefall Problems

A free falling object is moving downwards at 27 m/s. If it continues to fall, 1 second later the object would be moving with downward speed of approximately

• 270 m/s

• 37 m/s

• 27 m/s

• 17 m/s

Tags

NGSS.HS-PS2-1

An object is thrown upwards with a speed of 14 m/s. How high does it go?

• 5 m

• 10 m

• 15 m

• 20 m

Tags

NGSS.HS-PS3-1

The object that was thrown upwards with a speed of 14 m/s spends how much time in the air?

• 2.8 s

• 14 s

• 7 s

• 1.4 s

Tags

NGSS.HS-PS2-1

When the object that was thrown upwards with a speed of 14 m/s returns to its starting point, what is its velocity?

• 0 m/s

• 14 m/s

• -7 m/s

• -14 m/s

Alison Wonderland has a vertical leap of .47 m. What is her hangtime?

• 0.096 s

• 0.31 s

• 0.62 s

• 0.15 s

If magically Alice's hangtime became 1.2 seconds, how high would she jump?

• 3.5 m

• 7.6 m

• 0.88 m

• 1.7 m

Tags

NGSS.HS-PS2-1

After crawling across a rocky road, Denise Hirt finds the perfect stone. She tosses it up at a speed of 12m/s. How high will the stone be after 2 seconds have passed?

• 4.4 m

• 24 m

• 19.6 m

• 43.6 m

Tags

NGSS.HS-PS2-4

Now Denise climbs a 15 m high hill and drops the stone . How long does it take to hit the ground?

• 3.06 s

• 1.75 s

• 10.1 s

• 3.2 s

Tags

NGSS.HS-PS2-4

If a seagull was walking down the road at a leisurely pace of 0.75 m/s, how far way should the bird be when Denise lets the stone go (if she wants it to land directly in front of the obnoxious bird)

• 11.25 m

• 2.6 m

• 1.3 m

• 9.8 m

Which of these graphs correctly illustrates freefall?

• A

• B

• C

• All could be correct

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4