calculate the change in kinetic energy of a moving body if its velocity is reduced to one third of its initial velocity
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Change in kinetic energy is - 4/9mv^2 joule
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RJRishabh:
the change is always in positive dude
it is not necessary bro
it can be decreasing also
nope !!! imagine you're going at speed 10mls... then u reduced to 5mls ... the if somebody asks you that how much did uh changed ur velocity then you'll not say - 5m/s
u will say i my v changed at a magnitude of 5
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