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A vertical jet of water having a nozzle exit velocity of 15 ft/s with a diameter of 1 in. suspends a hollow hemisphere as indicated in Fig. P5.56. If the hemisphere is stationary at an elevation of 12 in., determine its weight.
A particle with a charge of -60.0 nC is located at the center of a non conducting spherical shell of inner radius 18 centimeter and outer radius 38 centimeter. Find the total amount of charge on non conducting shell
Water is lifted out of a well 22.0m deep by a motor rated at 1.40hp .Assuming efficiency 90% , how many kilograms of water can be lifted in 1 min
A 218.7 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. What is the velocity (speed) of the satellite
A stunt driver wants to make his car jump over eight cars parked side by side below a horizontal ramp, what is the new minimum speed
A 45.0-kg girl is standing on a 158-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is the velocity of the plank relative to the surface of ice
The balloon contains 0.30 mol of helium starts at a pressure of 110kPa and rises to an altitude where the pressure is 55.0 kPa, maintaining a constant 300 K temperature. By what factor does its volume increase? How much work does the gas in the ballo..
What force does a 55 kg passenger exert on the seat when she is at the top of the Ferris wheel.
A torque of 12 N•m is applied to a solid, uniform disk of radius 0.50 meter. If the disk accelerates at 2.7 rad/s2, evaluate what is the mass of the disk
a simple 1.5 m pendulum oscillates on earth where the acceleration due to gravity is 9.79 m/s^2. How many oscillations will it make in 5 minutes
What is the average translational kinetic energy of nitrogen molecules at 1400 K
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.74 from the grating. What is the difference between these wavelengths
A block is connected between two springs on a frictionless, horizontally level track. calculate what is the mass of the block
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