A ball of mass 1kg is thrown vertically upwards with a velocity 50m/s. calculate potential energy and kinetic energy after 3sec g=10m/s
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(KE)1= 1/2 mv square ( v1 = 50m/ s)
KE = 1/2 ×1×(50)×50 ( v2 = 10m/
(KE)1= 2500 J
(KE)2 =1/2×m×v square
KE2= 1/2×1×10×10
(KE)2 =1/2×1×100
(KE)2 =50 J
KE = 1/2 ×1×(50)×50 ( v2 = 10m/
(KE)1= 2500 J
(KE)2 =1/2×m×v square
KE2= 1/2×1×10×10
(KE)2 =1/2×1×100
(KE)2 =50 J
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