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A particle of mass 2 kg moves on a circular path with constant speed 10 m`//` s . Find change in speed and magnitude of change in velocity. Whan parti

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A particle of mass 2 kg moves on a circular path with constant speed 10 m`//` s . Find change in speed and magnitude of change in velocity. Whan particle completes half revolution.
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Change in speed
` Delta v = 10 - 10 =0`
Change in velocity
`Deltavecv= vecv_l - vecv_i`
`= 10 hatj - (-10hatj) = 20 hatj`
Magnitude `|Delta vecv| = 20 m//s`
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