3. A tile of mass 400g loosens from a point P on a roof, as shown in Figure 3. The tile slidesdown t
問題詳情
3. A tile of mass 400g loosens from a point P on a roof, as shown in Figure 3. The tile slidesdown the roof with a coefficient of friction of 0.40 and hits the ground at Q.
【題組】(1) Determine the kinetic energy of the tile as it reaches Q. (10%)