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a particle is project ed from ground with initial velocity of 20 m/s at an angle of 30 degree with horizontal.the magnitude of change in velocity in time interval from t=0 to t=0.5 sec is

a particle is project ed from ground with initial velocity of 20 m/s  at an angle of 30 degree with horizontal.the magnitude of change in velocity in time interval from  t=0 to t=0.5 sec is

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1 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

only vertical component of velocity changes.  Initial value of vertical component =10m/s upward. when t=0.5s, vertical velocity=10-(g*0.5)=5m/s upwards,magnitude of change in velocity=5m/s

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