An object with mass 5 kg is acted upon by a force, F= (-3i+4j )N. If its initial velocity at t=0 is v= (6i-12j )ms^-1, the time at which it will just have a velocity along y-axis is

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Accepted Answer

Correct answer: D. (d) : Initial velocity along x-axis =6 m s^-1 Acceleration along x-axis = -35 m s^-2 Using v_x=u_x+a_xt Time required for velocity along x-axis to become zero, t= v_x-u_xa_x= 6-0-3/5= 303=10 s

$An object with mass 5 kg is acted upon by a force, F = (- 3 i + 4 j) N . If its initial velocity at t = 0 is v = (6 i - 12 j) m s^{- 1}, the time at which it will just have a velocity along y -axis is$

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