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A 210-kg load is hung on a wire of length of 4.80 m, cross-sectional area 2.00 10-5 m2, and Young's modulus 8.00 1010 N/m2. What is its increase in length?
A sphere of radius 0.500 m, temperature 25.5°C, and emissivity 0.873 is isolated in an environment of temperature 77.0°C. What is the sphere's net rate of energy exchange
April Moon set a record in flight shooting. In 1981 in Utah, she sent an arrow a horizontal distance of 950 m. What was the speed of the arrow at the top of the flight
An artificial satellite circling the Earth completes each orbit in 142 minutes. Find the altitude of the satellite
An automobile fuel tank is filled to the brim with 56.0 liters (14.9 gallon) of gasoline at 11.5 deg C. How much gasoline (in Liter) overflows from the tank as a result of the expansion
There are two identical, positively charged conducting spheres fixed in space. The spheres are 45.0 cm apart (center to center) and repel each other with an electrostatic force of F1 = 0.0720 N. find the initial charge on each sphere
The bucket of mass 2.5 kg is released from rest from 4.0 m above the water level. Calculate the vertical acceleration of the bucket
A skier starts from rest at the top of a 48 m hill, skis down a 32° incline into a valley, and continues up a 28 m high hill. How fast is the skier moving at the bottom of the valley
Water flowing through a garden hose of diameter 2.79 cm fills a 21.0-L bucket in 1.10 min. What is the speed of the water leaving the end of the hose
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How fast will the shell be traveling when it hits the ground
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
Find the average force of the water on the diver. The swimmer comes to a stop 4 m below the surface. Find the average net force acting on the diver as coming to a stop in the water.
An old wooden tool is found to contain only 18% of 146C that a sample of fresh wood would. How old is the tool
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