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A ball is dropped from rest at a 80m above the ground. How long does it take for it to reach the ground ?

A ball is dropped from rest at a 80m above the ground. How long does it take for it to reach the ground ?
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2 votes
a ball is dropped from rest at a 80m above the ground. How long does it take for it to reach the ground ?

User Matthew Usurp
by
8.5k points

1 Answer

3 votes

high=1/2 a t^2

a about 10 ... 9.81

4secs

User Treemonkey
by
8.2k points
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