A particle is released from a height
. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively
a)
b)
c)
d)
A particle is released from a height. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively
a)
b)
c)
d)
Question ID - 52068 | SaraNextGen Top Answer
A particle is released from a height. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively
a)
b)
c)
d)
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A particle is released from a height |
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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 : (d) -
(d)
Velocity at 
when dropped from 
where 
Or 
…(i)
Potential energy at 
…(ii)
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Kinetic energy 
potential energy
or 
or 
From (i),
and 
127 votes
Answer Link
127