We're going to shoot bullets at a block of wood that's sliding on a table with a coefficient of friction. What must be the force constant of the spring? (c) For the bullet that produces the minimum spring compression, what is the compression $d$ if the spring has the force (a) Of bullets $A$ through $E$, which will produce the maximum compression of the spring? The minimum? (b) You want the maximum compression of the spring to be 0.25 m. The table lists some firearms that you will test:Ī grain is a unit of mass equal to 64.80 mg. You have measured that the coefficient of kinetic friction between the block and the horizontal surface is 0.38. After the bullet strikes the block, the block compresses the spring a maximum distance $d$. A bullet is fired horizontally into the block and remains embedded in it. Initially the spring is at its equilibrium length. The other end of the spring is attached to a wall. Your solution is to attach a 2.00-kg wood block that rests on a horizontal surface to a light horizontal spring. In your job in a police lab, you must design an apparatus to measure the muzzle velocities of bullets fired from handguns. Part D: For the bullet that produces the minimum spring compression, what is the compression d if the spring has the force constant calculated in part C?Įxpress your answer with the appropriate units.
What must be the force constant of the spring? Part C: You want the maximum compression of the spring to be 0.26 m A grain is a unit of mass equal to 64.80 mg The table below lists some firearms that you will test. After the bullet strikes the block, the block compresses the spring a maximum distance d
Wood block that rests on a horizontal surface to a light horizontal spring. SOLVED: In your job in a police lab, you must design an apparatus to measure the muzzle velocities of bullets fired from handguns.
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