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A bomb explodes on the moon. How long wi...

A bomb explodes on the moon. How long will the sound take to reach the earth ?

A

10 sec

B

1000 sec

C

1 day

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`-(KQq)/(a)-(K2Q^(2))/(2a)+(2KQq)/(a)gt0" "thereforeqgtQ`
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