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A uniform capillary tube, colsed at one end, contained air which is trapped by a thread of mercury 85mm long. When the tube was held horizontally, the length of the air column was 50mm. When it was held vertically with the closed end downwards, the length was 45mm. Find the atmospheric pressure in...
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A mouse is initially at rest on a horizontal turntable mounted on a frictionless vertical axle. If the mouse begins to walk clockwise around the perimeter of the table, what happens to the turntable? Explain using Newton's Laws.
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A train travels 180km with a uniform speed 60km/h,next 100km with a speed 50km/h and the last 80km with a speed 40km/h.calculate the average speed of the train.
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A man of mass 80 kg is standing on a compression balance which is fixed in a lift. Find the reading on the balance, when 1. the lift is moving upwards in a uniform velocity
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A dictionary is pulled to the right at constant velocity by 10N force acting 30 degrees upward above the horizontal. The coefficient of kinetic friction between the book and horizontal surface is 0.5. what is the weight of the book? View more questions Search
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