Physics, asked by Arulkumaran6848, 1 year ago

A ball of mass 1 kg is projectex with 10m/s from the top of a tower of height 20m. What is its speed when it is

Answers

Answered by mn202629

0

We know that
2gs =vf²-vi²

by putting values

2×10×20=vf²-10²
20×20=vf²-100
400+300=vf²
700=vf²
26.45=vf---------------ans

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