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A bullet with mass m = 5.21 g is moving horizontally with a speed v = 373 m/s when it strikes a block of hardened steel with mass M = 14.8 kg (initially at rest). The bullet bounces off the block in a perfectly elastic collision.

(a) What is the speed (m/s) of the block immediately after the collision?

(b) What is the impulse (kg m/s) exerted on the block?

(d) How much work (J) did the bullet do on the block?

(e) What was the change in kinetic energy (J) of the bullet?

(f) How much work (J) was done on the bullet?

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