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    Physics

    A body of mass 500 gram is rotating in a vertical circle.

    $10.00

    A body of mass 500 gram is rotating in a vertical circle. Question A body of mass 500 gram is rotating in a vertical circle of radius 1 m. What is the difference in its kinetic energies at the top and the bottom of the circle?

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    Physics

    A body is allowed to slide on a frictional less track.

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    A body is allowed to slide on a frictional less track. Question A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete […]

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    Physics

    Some raindrops fall from a height of l km.

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    Some raindrops fall from a height of l km. Question Some raindrops fall from a height of l km. How fast would you expect them to be moving when they hit the ground? How fast is this in miles per hour? Does this agree with your experience? How could I solve this?

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    Physics

    A car of mass 800 kg moves on a circular track.

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    A car of mass 800 kg moves on a circular track. Question A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then what is the maximum velocity with which the car can move? PLEASE SHOW STEPS OR I WILL UNHELPFUL THE ANSWER.

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    Physics

    A car is moving with a speed of 30 m/s.

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    A car is moving with a speed of 30 m/s. Question A car is moving with a speed of 30 m/s on a circular path of radius 500 m. Its speed is increasing at the rate of 2 m/s2. What is the acceleration of the car?

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    Physics

    What is the moment of inertia of a rod?

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    What is the moment of inertia of a rod? Question What is the moment of inertia of a rod of length L at a distance L/4 from its centre?  

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    Physics

    Why is it more difficult to walk on a sandy road than on a concrete road?

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    Why is it more difficult to walk on a sandy road than on a concrete road? Question Why is it more difficult to walk on a sandy road than on a concrete road? Please give explanation.

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    Physics

    Two small sphere each having a mass of 0.1 gm.

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    Two small sphere each having a mass of 0.1 gm. Question Two small sphere each having a mass of 0.1 gm, are suspended from the same point by silk threads each 20 cm long. The spheres are given equal charges and they are found to repel each other coming to rest 24 cm apart. find […]

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    Physics

    A space traveller has landed on the surface of an unknown planet.

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    A space traveller has landed on the surface of an unknown planet. Question a space traveller has landed on the surface of an unknown planet. He drops a small lead all from the top of his space ship and finds that takes 3 seconds to reach the ground, 18m below. if the weight of the […]

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    Physics

    Heating decomposed a sample of 2.98 g.

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    Heating decomposed a sample of 2.98 g. Question Heating decomposed a sample of 2.98 g silver (I) oxide into solid silver and oxygen gas. The product of oxygen gas was collected by the displacement of water at 30 degree Celcius and 750 mmHg. If the vapor pressure of water at 30 degree Celcius is 31.82 […]

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    Physics

    Why do plane mirrors and convex mirrors form only virtual images?

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    Why do plane mirrors and convex mirrors form only virtual images? Question why do plane mirrors and convex mirrors form only virtual images?

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    Physics

    A 3.5 kg object is suspended by a string.

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    A 3.5 kg object is suspended by a string. Question A 3.5kg object is suspended by a string and moves in a horizontal circle of radius 0.60m .the tension in the string is 36N…

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