A 60.0-cm, uniform, 5.00-kg shelf is supported horizontally by two vertical wires attached to a sloping ceiling. The front wire is inset by a distance of 20 cm. A very small 2.50-kg tool is placed on the shelf midway between the points where the wires are attached to it.

Japan’s Studio Ghibli teaches fans how to draw its beloved character TotoroJapan’s Studio Ghibli teaches fans how to draw its beloved character TotoroJapan’s Studio Ghibli teaches fans how to draw its beloved character TotoroJapan’s Studio Ghibli teaches fans how to draw its beloved character Totorovvv

Explanation:

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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