A ball is thrown straight upward at 10 m/s. Ideally (no air resistance), the ball will return to the thrower's hand with a speed of
a) 5 m/s
b) 10 m/s
c) 0 m/s
d) 20 m/s​

Respuesta :

10 m/s

This is the answer it just asked me to put more 20 characters but the answer is B

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