a. The same speed, downward.
b. hf=hi+vi*time - 1/2 g time^2
hf, hi are the same: zero. Find time.
A tennis ball is thrown vertically upward with an initial velocity of +8.0 m/s.
a. what will the ball's speed be when it returns to its starting point?
b. how long will the ball take to reach its starting point?
5 answers
a.) -8.0m/s
b.)1.63s
b.)1.63s
A tennis ball is thrown vertically upward with
an initial velocity of +7.3 m/s.
What will the ball’s velocity be when it
returns to its starting point?
an initial velocity of +7.3 m/s.
What will the ball’s velocity be when it
returns to its starting point?
answer is -7.3 m/s
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