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Two diamonds begin a free fall from rest...

Two diamonds begin a free fall from rest from the same height, 1.0 s apart. How long after the first diamond begins to fall will the two diamonds be 10 m apart? Take `g = 10 m//s^2.`

A

1.5 s

B

2 s

C

1.25 s

D

2.5 s

Text Solution

Verified by Experts

The correct Answer is:
A
Let the particles be 10m apart when the first has fallen for t sec
` rArr " " (1)/(2) g t^(2) -(1)/(2) g( t-1)^(2) =10 `
` rArr " "t= 1.5s `
` (##VMC_PHY_XI_WOR_BOK_01_C02_E03_044_S01.png" width="80%">
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