Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0 m . Simultaneously, each puck is given a quick push, and they begin to slide directly toward each other. Puck A moves with a speed of 1.50 m/s , and puck B moves with a speed of 2.50 m/s .
speed of A = 1.5 m/s
B = 2.5 m/s
A and B approach other
velocity of approach = 1.5 + 2.5 = 4.0 m/s ( velocity of each puck relative to the other.
time of collision = 18/4 = 4.5 s ( they are separated by 18 m)
each puck travels for 4.5 s before collision
distanced moved by A = 1.5 *4.5 = 6.75 m
Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface...
To practice Problem-Solving Strategy for general problems. Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0 m . Simultaneously, each puck is given a quick push, and they begin to slide directly toward each other. Puck A moves with a speed of 1.50 m/s , and puck B moves with a speed of 1.90 m/s . What is the distance covered by puck A by...
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