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A forensic scientist calibrating a spring finds that if a force of 0.750 N is applied...

A forensic scientist calibrating a spring finds that if a force of 0.750 N is applied the spring, it will compress a distance of 0.250 cm. The same spring is then used in a ballistics experiment: a rifle bullet of mass 8.00 g collides with and embeds itself in a block of mass 0.992 kg that was initially at rest on a horizontal frictionless surface. The block is attached to the spring as shown. The impact compresses the spring 15.0 cm. a) (5 pts) What is the spring constant of the spring? b) (12 pts) Find the magnitude of the block’s velocity immediately after impact. c) (13 pts) What is the speed of the bullet immediately prior to impact?

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