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Coordinate System and Position Vector

9 MinsPhysics
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Coordinate System and Position Vector

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Important Questions

An athlete completes one round of a circular track of diameter 200 m in 40 s. If he continues to run, what will be the distance covered and the displacement respectively, at the end of 2 minutes 20 s?

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A farmer moves along the boundary of a square field of side m in sec What will be magnitude of displacement  of the farmer at the end of minutes seconds from his initial position?

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A particle moves along a straight line OX. At a time t(in seconds) the distance x(in meters)of the particle from 0 is given by:-.  How long would the particles travel before coming to rest?

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A  person moves North and then towards East and finally m in South-West direction. The displacement of the person from the origin will be

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The numerical ratio of displacement to distance for a moving object is

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A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

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Distinguish between Distance and displacement.

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Two positive ions each carrying a charge are separated by a distance If is the force of repulsion between the ions then the number of electrons missing from each ion will be (e being the charge on an electron)

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If the distance between earth and the sun were
half of its present value , then how many number of days will be there in at year?

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The displacement - time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point :

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