Question

a body is projected up with 3/4th of the escape velocity from earth surface the height reached by the body is

Answer 1

heya
good evening,

escape velocity of earth is 11.186 km/s 
so, in one second the body will be at height,

we know,
speed = distance/time
=>distance= speed×time

$\frac{3}{4} \times 11.186$
$= 8.3895 \: kms$

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