Posted by Anonymous on Sunday, February 19, 2012 at 11:47pm.
The driver of a speeding empty truck (initial speed of Vi) slams on the brakes and skids to a stop through a distance d. Assuming that the brakes always supply the same stopping force, consider the following situations:
(a) If the truck carried a load that doubled its mass, what would be the
truck’s “skidding distance” in terms of d?
(b) If the initial speed (with its initial mass) of the truck were halved, what would be the truck’s “skidding distance” in terms of d?
(c) If the stopping distance is now 4d, what is the initial velocity (Vi) of the truck?
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