The four balls each have the same mass m. a and b are rolling forward with velocity v and strike c. assume that the distance between the balls a and b is the same as the distance between the balls c and d. consider only two-body collisions. from the possible collisions between the neighboring balls the collision with the largest relative speed of one of the colliding balls relative to the other one will occur faster. take e = 0.5 between each ball.

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a

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Power braking's benefits

Among the big advantages of a power braking system are it's: Regarded as safer. The heat caused by the friction of drum brakes causes them to wear down. Because disc brake systems have better heat distribution, they're more efficient

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All this is to say that new technologies develop quickly and continuously, and society is used to and adapts quickly to these constant innovations. ... Medical technology is always improving, leading to lower infant mortality, cures for diseases, and many more improvements in quality of life.

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