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01:19:08Q 4/90 A particle is dropped from the top of a towerof height 4.9 m. The velocity of particle with which itstrikes the ground is5 m/s4.9 m/s9.8 m/s7.3 m/s

Answer»

Velocity at the end will be

V² = 2*a*H = 2*9.8*4.9 = 9.8*9.8

So V = 9.8 m/s.

option 3



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