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Water in a pipe runs down a 20 m high hill. If the speed of the water on the top of the hill is 5.0 m/s and its pressure is 150 kPa, what is the pressure of the water at the bottom of the hill where its speed is 7.0 m/s?
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. A charge of -4.9×10-6 C is placed at the center of the cube. What is the magnitude of the force on the charge at the center of the cube?
A small thin coil with N2 loops, each of area A2, is placed inside a long solenoid, near its center. The solenoid has N1 loops in its length l and has area A1. Determine the mutual inductance as a function of ?, the angle between the plane of the s..
Two identical capacitors store different amounts of energy: capacitor A stores 3.3 10-3 J, and capacitor B stores 2.5 10-4 J. Find the voltage across the plates of capacitor A
A 4.55 mol sample of a diatomic ideal gas (? = 1.4) expands slowly and adiabatically from a pressure of 4.10 atm and a volume of 11.5 L to a final volume of 30.0 L. What is the initial temperature of the gas
A thin wire is bent into a semicircle, having a radius of curvature equal to 6.40 cm. What is the potential at the center of curvature?
The planet Uranus has a radius of 25560km and a surface acceleration due to gravity of 11.1m/s^2 at its poles. Calculate the mass of Uranus from the above data
In addition, the snow exerts a retarding force on the sled that points opposite to direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
A man of mass 77.0 kg walks down the aisle of an airplane at a speed of 1.70 m/s in the forward direction while the plane moves at a speed of 315 m/s relative to the earth. Find the man's kinetic energy relative to the earth
A flat rectangular coil 5.20 cm by 10.5 cm contains 34.0 turns of wire. If the coil is placed in a uniform magnetic field, calculate the maximum torque exerted on the coil
a garden hose is attached to a water faucet on one end and a spray nozzle on the other end. the water faucet is turned on, what is the pressure inside the hose
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. The turns ratio of the transformer is 45:1. Find the power consumed by the air filter
A hollow spherical shell has mass 7.90kg and radius 0.210m. What is the kinetic energy of the shell after it has turned through 6.00rev
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