Physics, asked by adnaanyare09, 1 year ago

A cricket ball is dropped from a height of 20 meters. (a) Calculate the speed of the ball when it hits the ground. (b) Calculate the height of this height


sdevikrishna00855: Could you please explain the second question b

Answers

Answered by princedas2005
3

A) The speed will be 7.7 km per hour

B)20 meter


sdevikrishna00855: How it is possible! Here the height h=20m.This ball is under gravity therefore it's acceleration is g=10m/s^2. The initial velocity is u=0 bcoz freely falling body.. By v^2=u^2+2gh.. We get v= 20m/s...
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