Question

The amount of heat needed to melt one kilogram of a substance is called that substance's _____ .

		melting point
		heat of vaporization
		specific heat
		heat of fusion

If a rifle bullet is shot into a 4 kg wooden block hanging down from the ceiling and imbeds itself into the block, what was the initial velocity of the bullet if the block rises to a height of 60 centimeters? (assume the mass of the bullet is 16 grams)

		860.750696 m/s
		3.429286 m/s
		13.772011 m/s
		8,573.2141 m/s

Answer 1

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