A 2.50g bullet travelling at a speed of 395ms strikes the, Ask an Expert

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Q. A 2.50g bullet, travelling at a speed of 395m/s, strikes the wooden block of a ballistic pendulum. The block has the mass of 265g. How high does the combination rise above its initial position?

Q. A 2.0 x 10^3 car starts from rest at the top of a driveway 5 meters long that slopes at 20.0 degrees with the horizontal. If an average force of 4 x 10^3 N impedes the motion, what is the speed of the car at the bottom of driveway?

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