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A metal sign for a car dealership is a thin, uniform right triangle with base length b and height h. The sign has mass M.
If M = 6.40kg ,b = 1.70m and h = 1.60m , what is the kinetic energy of the sign when it is rotating about an axis along the 1.60-m side at 2.00rev/s ?
Please show your work.
An empty rubber balloon has a mass of 10-g. The balloon is filled with helium at a density of 181-kg/m^3. what is the tension in the line
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A solenoid is made by wrapping a wire so that it makes a solenoid (coil) having 500 turns of diameter 8.00 cm and length 40.0 cm. Find the inductance of this solenoid
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Calculate the absolute pressure at the bottom of a freshwater lake at a point whose depth is 26.2 m
A small steel wire of diameter 1.0mm is connected to an oscillator and is under a tension of 5.7N. What is the power output of the oscillator, assuming that the wave is not reflected back
Two freight cars, each with a mass of 2.9 x 10^5 kg, collide and stick together. One was initially moving at 2.80 m/s and the other was at rest. What is the final speed.
The specific heat of a 100-g block of a substance is to be determined.The block is placed in a 25-g copper calorimeter holding 60 g of water at 20°C. Determine the specific heat of the block
a recipe for bread states that the dough must bake for 40 minutes at a temperature of 190degc. the oven you are using
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