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Answer on Electric Circuits Question for harshitha

Question #4124
Two bodies are made to fall from two different heights in the ratio 9:4.what will be the ratio of their times of fall?
Expert's answer
Referring to the equations of the motion we can write the following expressions for the heights and the falling times:

H = gt2/2, where g is the gravitational acceleration.
H1: H2 = gt12/2 : gt22/2 = t12 : t22
9 : 4 =t12 : t22
t1 : t2 = 3 : 2

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