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in Law of Motion by (33.8k points)
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The collision of two ice hockey players are shown in figure.

Analyse the data given in the figure and answer the following questions.

1. Which conservation law is applicable in this case.

2. In which direction and at what speed do they travel after they stick together.
[Hint – towards right can be taken us +ve direction and vice versa]

3. If we assume the friction of playing ground is zero, predict the nature of motion and the point at which they come to rest.

1 Answer

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Best answer

1. Conservation of linear momentum.

2. Total momentum before collision = Total momentum after collision.

110 × 4 + 90 × -6 = (110 + 90)v

v = 0.5 m/s

-ve direction, (in the direction of man mass 90 kg).

3. Uniform motion They will not stop.

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