A particle is released from a height of S above the surface of the earth. At a certain height, its kinetic energy is three times its potential energy. The distance from the earth's surface and the speed of the particle at that instant are respectively:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen an object is shot from the bottom of a long, smooth inclined plane kept at an angle of 60 with horizontal, it can travel a distance along the plane. But when the inclination is decreased to 30 and the same object is shot with the same velocity, it can travel distance. Then : will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology