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A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 12 m/s, skates by with they puck. After 3.0s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 4.0 m/s2. How long does it take him to catch his opponent, assume the player with the puck remains in motion at constant speed)

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The given:

a hockey player that is moving:

speed = 12 m/s

t = (3 + t)

a first hockey player:

vo = 0

a = 4 m/s2

First i tried to find the distance after 3 sec that a moving hocker player travelled.

d = 36 m, so after 3 sec he travelled 36 m. Then i tried to find the remain distance, which i stuck at this points. Can someone help ?

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# Homework Help: How long does it take ?

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