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Water flowing through a garden hose of diameter 2.72 cm fills a 22.0-L bucket in 1.60 min. What is the speed of the water leaving the end of the hose
An object weighing 335 N in air is immersed in water after being tied to a string connected to a balance. Find the density of the oil
A 120 g copper calorimeter cup contains 185 cm3 of water and 25 g of ice, all in thermal equilibrium. What was the initial temperature of the iron
A heat engine is composed of of a monatomic ideal gas which runs in the following cycle: At point A the pressure is 2.6 atm, What is the efficiency of this heat engine
Suppose a distant world with surface gravity of 6.64 m/s2 has an atmospheric pressure of 8.52 104 Pa at the surface. What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius
Find the center of mass of a system composed of three spherical objects with mass of 3.0kg, 2.0kg, and 4.0kg
An isolated piston+ cylinder arrangement shown contains a diatomic ideal gas at 300 K at equilibrium. find the new equilibrium temperature of the gas
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
The diameter of the moon is 3.78x10^6 m. It subtends an angle of 0.00982 radians at the surface of the Earth. How far is the Moon from the Earth
In the circuit shown, the AC voltage source supplies an rms voltage of 157 V at frequency f. The circuit has R = 96 %u03A9, XL = 215 %u03A9, and XC =99 %u03A9. Find the rms current flowing in the ci
A capacitor has parallel plates that have an area of 1.06 cm2 and are 1.08 mm apart. Find the potential across the plates
Trucks with diesel engines have an efficience of about 40%. How much energy is requried to accelerate an 8,000kg truck from rest to 25 m/s
A standing wave is produced on a clothesline 8m long when five birds sit on the line. No birds sit on the end. What is the wave speed
A 76.1-%u03A9 resistor is connected in parallel with a 125.6-%u03A9 resistor. find the power dissipated in the 125.6-%u03A9 resistor
The orbital angular momentum of an electron has a magnitude of 4.716*10^-34 kg*m^2/s. What is the angular-momentum quantum number l for this electron
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). Determine the two resistances
At a reception, a 0.5 kg chunk of ice at -10 degres Celsius is placed in 3.0 kg of "iced" tea at 20 degrees Celsius. At what temperature and in what phase will the final mixture be
An automobile starter motor has an equivalent resistance of 0.0480 and is supplied by a 12.0 V battery with a 0.0080 internal resistance. What power is supplied to the motor
A ball rolls down a hill 100 m. The hill is inclined 60 degrees. what is the final rotational speed of the ball
AC power is carried to a home via a transmission line, where each wire has a resistance of 0.36 OHMS. What is the rms voltage on the primary side of transformer T2
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. What is the change in the entropy of the water-steam mixture at 100C
A cannon ball (m=.7 kg) traveling at 200m/s hits and is impeded into a 400 kg car. If the car was initially at rest, what will be its velocity after the impact
At room temperature (20C) the area of a hole in a sheet of material is 5.505 cm2. What is the thermal coefficient of linear expansion for the material
Objects A and B are both positively charged. Both have a mass of 118 g, but A has twice the charge of B. How large is the force on A
On a perfect fall day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward nor downward. What is the weight of the displaced air