Two football players with mass 75 kg and 100 kg run directly toward each other with…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

5. Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of

6 \mathrm{~m} / \mathrm{s}

and

8 \mathrm{~m} / \mathrm{s}

respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be: (A)

2 \mathrm{~m} / \mathrm{s}

(B)

3.4 \mathrm{~m} / \mathrm{s}

(C)

4.6 \mathrm{~m} / \mathrm{s}

(D)

7.1 \mathrm{~m} / \mathrm{s}