Which of the following statements are correct? 1.An example of an inelastic coll

Question

Which of the following statements are correct?

1.An example of an inelastic collision is when two colliding objects stick together.

2.A tennis racket striking a tennis ball is an example of impulse.

3.An example of a head-on elastic collision is making a pool shot in which the two balls move in the same straight line.

4.When a child falls of a moving sled, the sled keeps moving at the same speed (ignore frictional forces)

5.The collision of two moving objects is always an example of the conservation of kinetic energy and linear momentum.

6.The center of mass of an object will always be located at some position within the object.

Explanation / Answer

options 1,2,3and 4 are correct

In any collision momentum will be conserved but not kinetic energy .

Center of mass may be located outside the body of an object ,for example center of mass of a ring is at the center which is outside of the body of ring

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