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anonymous
 3 years ago
A stone thrown from ground level returns to the same level 4 s after. With what speed was the stone thrown? Take g=10ms−2
anonymous
 3 years ago
A stone thrown from ground level returns to the same level 4 s after. With what speed was the stone thrown? Take g=10ms−2

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Time of Ascend = Time of Descend

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so..it Takes.2 s To Reach the Topmost Point

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0As u Know Velocity @ TopMost Point is0 V = u + at 0 = u  gt u = gt = 2* 10 =20m/s

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0time (t) = 2s final velocity (v) = 0 m/s g =  acceleration due to gravity (a) = 10m/s^2 therefore initial velocity (u) = ? (v  u)/t = a therefore, u = v  at u = 0  ((10)*2) u =  (20) u = 20 m/s
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