A block weighing 15N rests on a flat surface and a horizontal force of 3N is exerted on it. Determine the frictional force on the block
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A force of 20N applied parallel to the surface of a horizontal table is just sufficient to make a block of mass 4kg move on the table Calculate the coefficient of friction
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A body at rest is given an initial acceleration of 6.0m/s² for 20sec after which the acceleration is reduced to 4.0m/s for the next 10secs
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A car moves with a speed of 30m/s. Calculate the distance travelled in 30s
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A body accelerates uniformly from rest at 2m/s². Calculate the magnitude of it's velocity after traveling 9m
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A body moving with an initial velocity u accelerates until it attams a velocty within time t. The distance, s covered by the body is given by the expression
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An object of mass 2kg moves with uniform speed of lOm/s for 5s along a straight path. Determine the magnitude of its acceleration
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The diagram above (Fig. 1.19) shows the speed-time graph of a car. If the car covered a total distance of 600m in 25s, calculate its maximum speed.
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A car accelerates uniformly from rest at 5ms"2. Determine its speed after 10s
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A ball thrown vertically upward reaches a maximum height of 50m above the level of projection. Calculate the time taken to reach the maximum heighth and speed of the throw
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In free fall, a body of mass 1kg drops from a height of 125m from rest in 5s. How long will it take another body of mass 2kg to fall from rest from the same height?
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A piece of stone is projected vertically upwards with a speed of 25m/s Determine its speed at its highest point reached.
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A small metal ball is thrown vertically upwards from the top of a tower with an initial velocity of 20m/s. If the ball took a total of 6 seconds to reach the ground level, determine the height of the tower
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A stone is dropped from the top of a tower of height 11.25m. Calculate the time it will take to reach the ground
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A palm fruit dropped to the ground from the top of a tree 45m tall. How long does it take to reach the ground?
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An object is released from rest at a height of 25m. Calculate the time it takes to fall to the ground
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An orange drops to the ground from the top of a tree 45m tall. How long does it take to reach the ground?
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A mango fruit drops from a branch 10m above the ground. Just before hitting the ground its velocity is
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The diagram below (Fig. 1.18) shows the velocity-time graph of a vehicle. Its acceleration and retardation respectively are
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A body falls freely under gravity (g=9.8m/s²) from a height of 40m on to the top of a platform 0.8m above the ground. It’s velocity on reaching the platform is
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