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A police jeep on a petrol duty on national highway was moving with a speed of 54km/hr. in the same direction. It finds a thief rushing up in a car at a rate of 126km/hr in the same direction. Police sub – inspector fired at the car of the thief with his service revolver with a muzzle speed of 100m/s. with what speed will the bullet hit the car of

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Establish the relation `Snth =u +a/2(2n-1)` where the letters have their usual

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Under what condition the displacement and the distance of a moving object will have the same

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Draw displacement time graph for a uniformly accelerated motion? What is its

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Establish `s=ut+1/2at^2` from velocity time graph for a uniform accelerated

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What is “Trajectory of a

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Derive an equation for the path of a projectile fired parallel to

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How does banking of roads reduce wear and tear of the

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Why is it desired to hold a gun tight to one’s shoulder when it is being

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Write two consequences of Newton’s second law of

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A train runs along an unbanked circular bend of radius 30m at a speed of 54km/hr. The mass of the train is 106kg. What provides the necessary centripetal force required for this purpose? The engine or the rails? What is the angle of banking required to prevent wearing out of the

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If the momentum of the body increases by 20% what will be the increase in the K.E. of the

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What is the position of the centre of mass of a uniform triangular

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Establish the third equation of rotational motion

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A circular ring of diameter 40cm and mass 1kg is rotating about an axis normal to its plane and passing through the centre with a frequency of 10 rotations per second. Calculate the angular momentum about its axis of

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A wheel 0.5m in radius is moving with a speed of 12m/s. find its angular

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Obtain the equation `w=w+o+ at`

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The moment of inertia of a solid sphere about a tangent is `7/5MR^2` . Find the moment of inertia about a

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The gravitational force between two blocks is F what would happen if a mass of both the blocks as well as distance between them is

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A body is weightless at the centre of earth.

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