Assignment No.(2)

# Assignment No.(2) - Assignment No(2 Rectilinear Motion-2 7...

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Assignment No.(2) Rectilinear Motion -2 7. A particle is moving along a straight line such that it’s acceleration is defined by : a = - 2v m/s 2 , where v is in m/s . If the initial conditions of the motion are v o = 20 m/s , x o = 0 . Find the relations ( v, t ) and ( x , t ) . What is the distance which the particle travels before it stops ? 8. The initial conditions of the rectilinear motion of a particle are : xo = 8 m , vo = 6 m/s . The acceleration of the particle is defined by : a = 2/v m/s 2 .Determine the position and the time after which the velocity becomes 12 m/s . 9. A car has an initial velocity of 24 m/s and a constant deceleration of 3 m/s 2 . Determine the velocity and the displacement of the car after 4 seconds. Determine also the time after which the velocity becomes zero . 10. A ball is thrown vertically downward from a 50 m high tower with an initial velocity of 4 m/s. Determine the velocity at which it hits the ground and the time of travel . 10.

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Assignment No.(2) - Assignment No(2 Rectilinear Motion-2 7...

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