The kinetic energy of an objectof mass , m moving with a velocity of 5 m minus s is 25 jule. What will be its kinetic energy when its velocity is doubled . What will be its kinetic energy when its velocity is increased three time.
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mass-M
velocity-5m/s
Kinetic energy-25 joule
Ek-1/2 mv×v
25=1/2×m×5×5
50=25M
M=2 kg
so .. according to condition
if velocity is three times i.e.v=3(5)=15m/s
Kinetic energy-1/2×2×15×15
Ek=225 Joule
hope it will help!!
velocity-5m/s
Kinetic energy-25 joule
Ek-1/2 mv×v
25=1/2×m×5×5
50=25M
M=2 kg
so .. according to condition
if velocity is three times i.e.v=3(5)=15m/s
Kinetic energy-1/2×2×15×15
Ek=225 Joule
hope it will help!!
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