Ivytangiid Ivytangiid

Physics

Answered

1.
A boy throws a ball vertically downward at 10 m/s from the roof
of a building 20 m high. (a) How long will it take the ball to reach
the ground? (b) What will be its speed
when it strikes the ground?

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AbbyParkid AbbyParkid

i forgot what the formula . can you give me the formula. what grade are you now ? grade 1 ?

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