A bullet of mass 20g is found to pass 2 points 30 m apart in a time interval of 4seconds.calculate kinetic energy of bullet if it moves with a constant speed.
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s=ut+1/2at^230=u(4) ➡️ acceleration is zero because velocity is constantu=7.5m/s
Kinetic energy=1/2×.02×7.5×7.5
Then calculate
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