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A movable piston having a mass of 7 kg and a cross-sectional area of 6 cm2 traps 0.17 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.013×105 Pa. a) What is the pressure in the cylinder? b) How much work is done by the gas when its temperature is increased from 20°C to 305°C? c) What was the change in the gravitational potential energy of the piston? d) By what height was the piston raised?
An elastic conducting material is stretched into a circular loop of 16.1 cm radius. What emf is induced in volts in the loop at that instant
A "light-year" is the distance light (speed = 2.998 108 m/s) travels in one year. What is the speed of light in AU/h
Two cesium-133 atomic clocks differ by one second in 6000 years. Assume one of the clocks gains one second in six thousand years, approximately what is the change in the number of oscillations of the light each second?
What is the charge on each
One of the effects of significant global warming would be the melting of part or all of the polar ice caps. This, in turn, would change the length of the day (the period of Earth's rotation). Explain why. Would the day get longer or shorter?
determine the mass of liquid ammonia that boils away before thermal equilibrium. Assume an excessive amount of liquid ammonia is present and that the liquid ammonia does not react with the copper.
What is the charge on negative electrode. Find out the wavelength.
A pipe with a diameter of 1m carries water at a pressure of 1000kPa and a speed of 6m/s. what will the pressure and speed be in the smaller diameter section of pipe
Two protons are moving directly toward one another. When they are far apart, What is the distance of closest approach?
An object with mass 3.0kg is attached to a spring with spring stiffness constant k=280N/m and is executing simple harmonic motion. Calculate the maximum velocity attained by the object
Two narrow slits are illuminated by a laser with a wavelength of 549nm. The interference pattern on a screen located x = 4.50m away , Calculate the distance between the two slits
A small sphere of mass m= 7.60 g and a charge q1 = 29.9 nC is attracted to the end of a string, what is the smallest value d can have before the string breaks
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