In cycle wheel of radius 0.4 m completes one revolution in one second, then acceleration of the cycle is
0.4 $π$m/s2
0.8 $π$m/s2
0.4 $π$2m/s2
1.6 $π$2m/s2
Additional Questions
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In order to cause something to move in a circular path, we must apply |
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A mass of 5 kg is tied to a string of length 1.0 m and is rotated in vertical circle with a uniform speed of 4 m/s. The tension in the string will be 130 N when the mass is at (g = 10 m/s2) |
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In an atom two electrons move round the nucleus in circular orbits of radii R and 4R respectively, the ratio of time taken by them to complete one revolution is |
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A body is allowed to slide on a frictionless 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 the loop? |
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An electron revolve around the nucleolus the radius of the circular orbit is r to double the kinetic energy of electron its orbit radius of |
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A body is traveling in a circle at constant speed. It |
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A body of mass 100 gram, tied at the end of a string of length 3 m rotates in a vertical circle and is just able to complete the circle. If the tension in the string at its lowest point is 3.7 N, then its angular velocity will be ______ (g = 10 m/s2) |
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A particle P is moving in a circle of radius ‘a’ with uniform speed v. C is the centre of the circle and AP is diameter. The angular velocity of P about A and C are in the ratio |
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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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The maximum velocity with which a driver must drive his car on a flat curved road of radius of curvature 150 m and coefficient of friction 0.6, to avoid the skidding of his car is (take g = 10 m/s2) |
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