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Q. What mass of water (at 4.0 C) can be contained in a rectangular box whose dimensions are 10 cm by 5.00 cm by 1.00 cm? The density of water at 4C is 1.000 X 10 kg/m-cubed.

Q. Pilots can be tested for the stresses of flying high speed jets in a whirling "human centrifuge," Which takes 1.0 min to turn through 20 complete revolutions before reaching its final speed. (a) What was its angular acceleration (supposed steady) and (b) what was its final angular speed in rpm?

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