a cricket ball is dropped from a height of 20 m. a) calculate the speed of the ball when it hits the ground.
b) calculate the time it takes to fall through this height.
(g=10m per second square)
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Since the ball is dropped from some height , its initial velocity u is 0
Applying second equation of motion ,
S =ut + 1/2gt^2
20=0 +1/2×10×t^2
So t comes out to be 2 seconds
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Applying second equation of motion ,
S =ut + 1/2gt^2
20=0 +1/2×10×t^2
So t comes out to be 2 seconds
hope helps you ❤️❤️❤️❤️
love you ❤️ ❤️❤️❤️
any doubt comments below follow me
daminiandraskar:
but you can not give my 1st questions answer
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