A bullet of mass m, traveling horizontally with speed u hits a block of mass m, that is originally at rest and becomes e

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A Bullet Of Mass M Traveling Horizontally With Speed U Hits A Block Of Mass M That Is Originally At Rest And Becomes E 1 (56.5 KiB) Viewed 53 times

A bullet of mass m, traveling horizontally with speed u hits a block of mass m, that is originally at rest and becomes embedded in the block. After the collision, the block slides horizontally a distance d on a surface with friction, and then falls off the surface at a height h as shown. The coefficient of kinetic friction between the block and the surface is fák. Assume the collision is nearly instantaneous and all distances are large compared to the size of the block. Neglect air resistance. (a) What is Umin, the minimum speed of the bullet so that the block falls off the surface? Express your answer in terms of some or all of the following: mı, m2, uk, d, h and g for the gravitational constant. (b) Assume that the initial speed of the bullet u is large enough for the block to fall off the surface. Calculate Xf, the position where the block hits the ground measured from the bottom edge of the surface. Express your answer in terms of some or all of the following: my, my, uk, ud, h and g.