Which quantities arc conserved in the following problem, (circle the conserved q

Question

Which quantities arc conserved in the following problem, (circle the conserved quantities) a box of mass 2em slides along (the ground which is frictionless and collides with a box of mass mm. after the collision the two boxes stick together and move off together at some other speed. Kinetic Energy Mechanical Energy Total Energy Momentum Speed Mart on each diagram (I through 5) where the approximate center of mass is. all lines represent wires of constant mass density. a block of mass M rests em a board winch tits on a fulcrum as shown in figure. Indicate approximately where on the hoard would you place a block of maw 3 / 4M to make it balance. Rank the following objects by their moments of inertia. 1 for the smallest Kid 4 for the highest (all objects haw total out M and the same radius R). On the diagrams below draw the direction in which the objects are accelerating. (Enter 0 if it is not accelerating). Ball travelling in a circle at coestant speed Ball travelling in a circle but traveling faster and faster and it goes around. You standing on the surface of the Earth. The arrow indicates the North Pole. Car travelling at constant speed along the road shown. Mark the accelerations at instances 1, 2, and 3. Indicate on the diagram below the direction of the angular velocity vector for the merry-go-ground, if rotating as shown (counterclockwise as viewed from above), The merry go round slows to a stop from some intial angular velocity. Indicate on the diagram below in which direction the angular acceleration vector points

Explanation / Answer

1)4 2)all correct 3)at 4/3 *l position 4)right to left decreasing 5)acceleration towards centre 6)towards left at 1 0 at 2 and right at 3

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