Applied Mechanics and Graphic Statics - Civil Engineering Questions and Answers

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Pick up the correct statement from the following:

If two equal and perfectly elastic smooth spheres impinge directly, they interchange their velocities

If a sphere impinges directly on an equal sphere which is at rest, then a fraction ½(1 - e2) the original kinetic energy is lost by the impact

If two equal spheres which are perfectly elastic impinge at right angles, their direction after impact will still be at right angles

All the above

Answer : Option D

Explanation :

Explanation Not Provided

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