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A bomb is dropped from an aeroplane flyi...

A bomb is dropped from an aeroplane flying horizontally with a velocity 720 km/hr at an altitude of980 m. The bomb will hit the ground after a time

A

1 sec

B

7.2 sec

C

14.15 sec

D

0.15 sec

Text Solution

Verified by Experts

The correct Answer is:
c
980 ` = (1//2) gt^(2), t = sqrt(200) = 14*15` second
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