a 5 kg ball is thrown up with a speed of 10m/s.
a) find its kinetic energy at the time of throw 
b) find its potential energy when it reaches the highest point

Dear Student
 velocity=10ms-1Kinetic energy=1/2mv2=1/2×5×100=250Jwhich changes to maximum potential energy at the topPotential energy=250J at maximum height Regards

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a)mass(m)=5kg
velocity(v)=10m/s
ke=1/2mv^2
ke=250J


 
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