m- 40k V=? 18N f2N Ue conservalion of emagy dock lbeing pushes by 0,S m the final sperd to find) fora of 118N aud a...

Question

Question

Answer 1

Answer #1

Net work done on the mass = Change in kinetic energy

Net force on the mass * Displacement = Change in kinetic energy

40 */ (118 -2)+5= 40 + 22

V = 5.74 m/s

Answer 2

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