Question
A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is
Answer: Option A
:
A
If body is projected with velocity v v<ve then height up to which it will rise, h=Rv2ev2−1
v=ve2(given)∴h=R(veve2)2−1=R4−1=R3
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:
A
If body is projected with velocity v v<ve then height up to which it will rise, h=Rv2ev2−1
v=ve2(given)∴h=R(veve2)2−1=R4−1=R3
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