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A glass jar submerged half-way is foating in a bathtub . Suppose that you start putting nickel coins in the jar. According to the U. S. Mint each coin has a mass of 5:00 g. Assume that the jar has the shape of a cylinder with diameter D = 10:0 cm and height H = 8:00 cm. What is the maximum number of coins that one can put in the jar without sinking it to the bottom? Take the density of water to be 1:00 g=cm3.
A uniform ladder of length L and weight 235 N rests against a vertical wall. What is the smallest angle the ladder can make with the floor without slipping
24.0g of copper pellets are removed from a 300 ? C oven and immediately dropped into 120mL of water at 24.0 ? C in an insulated cup. What will the new water temperature be
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 17.0 m/s. With what speed and angle of impact does the stone land
A 162 Ω resistor is connected to a variable power supply. What voltage will be required for a current of 0.6 A to flow in the resistor
An electron of mass 9.11 10-31 kg has an initial speed of 2.80 105 m/s. Determine the magnitude of the force exerted on the electron
A black wood stove with surface area 4.6 m^2 is made from cast iron 4.0 mm thick. What is the rate of heat loss by radiation from the stove
In a Compton scattering experiment, the scattered electron is observed to move in the same direction, what is the scattering angle of the photon
The volume flow rate of the water supplied by a well is 1.53 x10-4 m3/s. The well is 31.8 m deep. Find the pressure difference the pump must maintain
The following data are obtained from a Boyle's law experiment: P1 = 113 kPa, T = 300. K, V1 = 5.00 10-5 m3. Calculate the volume occupied by the gas
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 9 A, and that of the vacuum cleaner is 5.5 A. Determine the power consumed by the vacuum cleaner.
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A crate with mass 32.0 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 156N. What acceleration is produced
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