A particle is projected vertically upwards from the surface of earth (radius 
) with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rises above the surface of earth is
a)
b)
c)
d)
A particle is projected vertically upwards from the surface of earth (radius ) with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rises above the surface of earth is
a)
b)
c)
d)
Question ID - 54795 | SaraNextGen Top Answer
A particle is projected vertically upwards from the surface of earth (radius ) with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rises above the surface of earth is
a)
b)
c)
d)
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A particle is projected vertically upwards from the surface of earth (radius |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a)
By law of conservation of energy
(
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velocity at maximum height is zero)
127 votes
Answer Link
127