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An aeroplane is flying in a horizontal d...

An aeroplane is flying in a horizontal direction with a velocity `600 km//h` at a height of 1960 m. When it is vertically above the point A on the ground, a body is dropped from it. The body strikes the ground at point B. Calculate the distance AB.

A

2.1 km

B

5.3 km

C

4.2 km

D

3.3 km

Text Solution

Verified by Experts

The correct Answer is:
D
`t=sqrt((1960xx2)/g)`
`t=14sqrt(2)`
`AB=600xx(14sqrt(2))/1600=(14sqrt(2))/6 ~~ 3.3 km `
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