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Answer:
Velocity= ±14m/s and Time = 1.42s
Explanation:
Displacement(s) = 10m
g = 9.8m/s²
Here initial velocity(u) = 0
v=? , t=?
Using formula s = ut + 1/2gt²
10 = 9.8/2 × t²
So t = 1.42
Using formula v² = u² + 2gs
v² = 196
So v= ±14
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