Ball Toss and Free Fall

In the lab, when the tossed ball reaches the apex, what is its velocity?

• 9.8 m/s

• -9.9 m/s

• 0

• depends how fast you tossed it

Tags

NGSS.MS-PS3-1

When the tossed ball reaches the apex, what is its acceleration?

• 0

• 9.8 m/s/s

• -9.8 m/s/s

• depends how fast you tossed it

Tags

NGSS.HS-PS2-1

If you tossed a ball with an initial velocity of 10 m/s, about how many seconds would elapse before it hit the ground? (estimate a=10 m/s/s)

• 1 s

• 2 s

• 4 s

• 10 s

Tags

NGSS.HS-PS2-1

If the ball spends 4 secs in the air total, how long did it take to reach the apex?

• 1

• 2

• 3

• 4

If the tossed ball spends a total of 4 secs in the air, what was its velocity just after the ball leaves your hand?

• 0

• 10 m/s

• 20 m/s

• 40 m/s

If you toss a ball straight up and it stays in the air for a total of 2 seconds, about how high did it go? (estimate gravity at 10 m/s/s)

• 2m

• 3m

• 4m

• 5m

Tags

NGSS.HS-PS2-1

If you toss a ball straight up and its in the air for a total of 4 seconds, how fast is the ball moving at t=3s?

• 0

• 10 m/s

• -10 m/s

• 20 m/s

• -20 m/s

If you drop a ball off the top of school and it takes 3 seconds to hit the ground, how high is the school?

• 25m

• 35m

• 45m

• 55m

Tags

NGSS.HS-PS2-4

If you drop a ball from the roof of school and it takes 3seconds to reach the ground, how fast is it moving just before hitting the ground

• -10 m/s

• -20 m/s

• -30 m/s

• -40 m/s

Tags

NGSS.HS-PS2-1

What does the position vs time graph look like for a ball tossed straight up and returning to earth?

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Tags

NGSS.MS-PS3-1