Question

An airplane moving with velocity
80m/s at a hight 122.5m drops a
stone to the ground when and where the stone hits the ground
​

Answer 1

Answer:

Explanation:

given,

u=80m/s , h= 122.5m, g= 10m/s²

time=√2h/g

     ⇒    √2×122.5/10

     ⇒     4.94s ≈ 5s.

     Range = u× t

                ⇒ 80×5 = 400m.

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