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There is a clever kitchen gadget for drying lettuce leaves afteryou wash them. It consists of a cylindrical container mounted sothat it can be rotated about its axis by turning a hand crank. Theouter wall of the cylinder is perforated with small holes. You putthe wet leaves in the container and turn the crank to spin off thewater. The radius of the container is 12.0 cm. When the cylinder isrotating at 2.32 revolutions per second, what is the magnitude of the centripetal acceleration at the outer wall?
A balloon contains 2.5 L of oxygen gas at 1.0 atm, How much work is done in compressing the balloon at constant pressure
5.38 mol of an ideal gas is initially at a pressure of 3.75 atm and a temperature of 268oC While the pressure is kept constant, Determine the new temperature of the gas
A ray of one color, for which n=1.51, and a ray of another color, for which n=1.6, travel through a piece of glass. What is the angle between the two rays in the glass
A golf ball strikes a hard, smooth floor at an angle of 33.1 ° and, as the drawing shows, rebounds at the same angle. find the magnitude of the impulse applied to the golf ball by the floor
An air-filled parallel-plate capacitor has plates of area 2.10 cm2 separated by 0.50 mm. The capacitor is connected to a 3.0 V battery. What is the charge on the capacitor
Two identical steel balls, each of mass 4.9 kg, are suspended from strings of length 23 cm so that they touch when in their equilibrium position. How high will the other ball rise
A 4.1 kg ball oscillates with a period of 2.6 seconds, and an amplitude of 23. cm. What is the maximum acceleration
A cosmic-ray proton is moving at such a speed that it can travel from the Moon to Earth in 1.5s. At what fraction of the speed of light is the proton moving
two objects one with mass will 80 g and the other with mass 20 g are pushed by a spring in opposite directions. if the
When a battery is connected to a 100.0-? resistor, the current is 4.00 A. When the same battery is connected to a 400.0-? Find the emf supplied by the battery
If a man is capable of lifting a 149 lb stone on land, how heavy a stone could he lift under water? The specific gravity of the stone is 2.45
Compiute the average power output in horsepower. Calculate assuming the body is 14% efficient, what rate of energy input was required.
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