An iron block of m=2kg was put on a car of {m{_sub_...car..._sub_}}=1kg. Suppose friction coefficient between the car and the iron block is μ=0.5. The car and the iron block start to travel at a same velocity of {v{_sub_...0..._sub_}}=6M/s on a smooth horizontal surface towards the right, until the car collided into a wall. The collision time is so short that the speed of the car after the collision and before the collision is considered equal, and the body of the car is long enough such that the iron block stayed on top of the car without colliding onto the wall. Find:
(1) the maximum displacement of the iron block to the car;
(2) the total distance through which the car traveled after it first collided against the wall (taking acceleration g=10M/{s{_sup_...2..._sup_}}).
{[[Fig.--|----|----|----O----O----◇----◇--[[Txt.m.txT]][[Txt.{m{_sub_...car..._sub_}}.txT]][[Txt.{v{_sub_...0..._sub_}}.txT]].giF]]}
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Date the solution was posted:
2016-02-06T02:05:29
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