Question

Two hockey players are skating toward each other on a frictionless ice. One is moving at 1 m/s while the other is traveling at 2 m/s. The players collide and stick together. Find their combined speed.

Answer 1

Their combined speed will be 1m/s

Given the following parameters;

• The velocity of the first hockey player is 1m/s.
• The velocity of the second hockey player is 2m/s.

If the player collides and stick together, the combined speed is expressed as;

• Combined speed = differences in velocity
• Combined speed = 2m/s - 1m/s
• Combined speed = 1m/s.

Hence their combined speed will be 1m/s

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