Physics, asked by s8imoregupta, 1 year ago

A girl of mass 40 kg jumps with a horizontal velocity of 5 m s-1 onto a stationary cart with frictionless wheels. The mass of the cart is 3 kg. What is her velocity as the cart starts moving? Assume that there is no external unbalanced force working in the horizontal direction.NCERT Class IXSciences - Main Course BookChapter 9. Force and Laws of Motion

Answers

Answered by medhashivani03

9

mv+0=(m+MV
zero because cart is at rest
40*5=(40+3)V
40*5/43=4.6 MS-1

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