What is the equivalent spring constant of the bow

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Q. A 5 g bullet with an initial velocity of 95 m/s lodges in a block of wood and comes to rest at a distance of 6 cm. assume the bullet undergoes a constant negative acceleration; it slows at a constant rate. How much time does it take for bullet to stop?

Q. An archer pulls her bowstring back 0.400 m by exerting a force that increases uniformly from zero to 200 N.
(i) What is the equivalent spring constant of the bow?
(ii) How much work is through in pulling the bow?

Reference no: EM1371345

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