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Once upon a time, a stunt man named Evil Knievel boasted that he would jump across the Grand Canyon on a motorcycle. (This stunt was never attempted.) The width of the Grand Canyon varies from place to place, but suppose that Mr. Knievel attempts to jump across at a point where the width is about 4.18 miles, and the two rims are at the same altitude. What minimum initial speed would be required to make it safely across the canyon? Express your answer in m/s and mph. Ignore air drag.
You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic (n = 1.61). Find the smallest possible nonzero value for the thickness of the layer
A sinusoidal ac voltage source in a circuit produces a maximum voltage of 12.6V and an rms current of 7.50mA. Find the voltage amplitude
One mole of an ideal gas does 2500 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 28.0 L. Determine the temperature of the gas
A person pulls on a 50kg desk with a 200 N force acting at a 30 degree angle above the horizontal. The desk does not budge.
a basketball leaves a players hands at a height of 2.20m above the floor. the basket is 2.90m above the floor. the
Two masses 3kg and 5kg are held around a pulley as shown in the figure. When the two masses released, what will be the acceleration of the 5kg mass
what are the wavelengths of electro magnetic waves in free space that have frequencies of a) 5.00 x 10^19Hz, b) 4.00 x 19^9.
A telephoto camera lens system needs to be able to form reasonably sized images of distant objects, Find the height of the final image formed by the two lenses. Is it upright or inverted
List all the possible set of quantum numbers for a hydrogen atom with n=3. What is the electrons total energy
a devive consists of four balls. just after the impact, what is the angular speed of the device
Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel's energy can be released quickly to accomplish a task that demands high power. How much energy is stored in the flywheel
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
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