Q.
A constant power P is applied to a particle of mass m. The distance travelled by the particle when its velocity increases from v1 t o v2 is (neglect friction)
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a
3Pmv22-v12
b
m3Pv2-v1
c
m3Pv23-v13
d
m3Pv22-v12
answer is C.
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Detailed Solution
P=mav=mdvdsv2 ; Pm∫0sds=∫v1v2v2dv
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