Question

1. A lump of ice falls from an aeroplane as it comes in to land. If the ice hits the ground
with a vertical speed of 70m/s, what was the height of the plane when the ice fell off.
Take g=10m/s?​

Answer 1

Answer:

245m

Explanation:

V= √2gh

70 = √2×10×h

70^2 = 20h

4900=20 h

h= 4900/20

h= 245m

Answer 2

Answer:

h=254m

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