A basketball is thrown vertically up from a 1.6‑m height with an initial speed v0 =...

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Physics

A basketball is thrown vertically up from a 1.6‑m height with aninitial speed v0 = 23 m/s. At what speed will the ballhit the ground?

The speed of the ball, v1 =  

How long will it take for the ball to reach the ground?

The time of flight, t1 =  

Now the basketball is thrown vertically down from the same 1.6‑mheight and with the same initial speed v0 = 23 m/s.First, check your physical intuition and complete the following twostatements:

If the initial velocity is directed down, the final speed of theball (Select an answer: decreases, increases, stays the same, donot know) .

If the initial velocity is directed down, the time of the freefall (Select an answer: decreases, stays the same, increases, donot know) .

Now, with the new conditions, what will be the speed of the balljust before it hits the ground?

The speed of the ball, v2 =  

How long will it take for the ball to reach the ground?

The time of flight, t2 =  

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