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An ideal gas is enclosed in a cylinder that has a moveable pistonon top. The piston has a mass of 3900 gand an area of 7.00 cm2 and isfree to slide up and down, keeping the pressure of the gasconstant. How much work is done on the gas as the temperature of 0.265 mol of the gas is raised from 23.0°C to 330°C?
A bar of length 2cm slides along metal rails at a speed of 1cm/s. The bar and rails are in a magnetic field of 2T, What is the induced emf in the bar and rails
What are the direction and magnitude of the magnetic force the field exerts on the proton.
A 6.2-m radius playground merry-go-round with a moment of inertia of 2400 kg·m2 is rotating freely with an angular speed of 1.5 rad/s. What is the angular speed of the merry-go-round right after the two people have stepped on
You own a rectangular property measured as 3.2 ± 0.1 ft by 125 ± 4 ft. Find the area of the property, with the expected uncertainty
It is fairly easy to strip the two electrons off a helium atom, leaving a bare nucleus of two neutrons and two protons. What is the necessary voltage difference
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spool
question1the index of refraction for red light in water is 1.331 and that for blue light is 1.340. if a ray of white
Consider a swinging pendulum with length l= 10 cm, a mass of 1 gm swinging at the end of it with an amplitude, Calculate the total energy ( potential plus kinetic) in ergs of the swinging pendulum
How many coulombs of positive charge are there in 4.20 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons
When the hamster is running in a wheel, the temperature of the air in the calorimeter rises 1.60 per hour. how many grams of seed must the hamster eat per hour to supply this energy
Consider the sinusoidal wave of in the figure below with the wave function y = 0.150 cos (15.7x ? 50.3t) where x and y are in meters and t is in seconds. At a certain instant, let point A be at the origin and point B be the closest point to A along t..
An athlete needs to lose weight and decides to do it by "pumping iron." If the weight is lifted once every 1.90 s, how long does the task take (in hours)
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