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agasfer
[191]
3 years ago
9
A ball is thrown directly downward with an initial speed of 8.75 m/s, from a height of 21.0 m. after what interval does the ball
strike the ground
Physics
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1
answer:
gayaneshka
[121]
3 years ago
8
0
There you go!
as it is unnecessary to find velocity, so use the equation with v
remember to take all directions downwards as it is more convenient to calculate
after substituting the values, you have to reject the negative answed as time must be+
:)
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