A putty ball of inertia m moving at speed v slides on a slick surface along...
A putty ball of inertia m moving at speed v slides on a slick surface along a path that is perpendicular to the long axis of a rod of length ?and inertia 2m that is at rest on the surface. The ball collides with one end of the rod and sticks to it. Ignore any effects due to friction and use the notation l for the length of the rod ?.
Part A: Just as the ball sticks, what is the distance between the ball and the center of mass of the ball-rod system? Express your answer in terms of l.
Part B: After the collision, what is the magnitude of the velocity of the center of mass. Express your answer in terms of v.
Part C: After the collision, what is the direction of the velocity of the center of mass. A) The center of mass moves in the direction of the ball's initial motion. B) The center of mass moves along the rod. C)The center of mass moves in the direction opposite to the balls initial motion.
Part D: After the collision, what is the rotational speed of the system? Express your answer in terms of v and l.
Homework Answers
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