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A gas is compressed from 668 cm3 to 230 cm3 at a constant pressure of 306 kPa. At the same time, 50 Joule of heat energy is transferred out of the gas. Obtain the change in thermal energy of the gas during this process?
The two plates of a parallel plate capacitor are 5.8 mm apart and have a potential difference between the of 220 V. Find the magnitude of the electric field between the plates
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate, What is the kinetic energy of the electron just as it reaches the positive plate
a diffraction grating is illuminated simultaneously with red light of wavelength 660 rm nm and light of an unknown
An ideal heat-engine is to be used in an environment where the ambient temperature is 22.5 °C. What should be the minimum temperature of the hot heat reservoir
A thin, hollow 0.545 kg section of pipe of radius 10.0 cm startsrolling (from rest) down a 17.5 degree incline 5.60 m long. what will be its speed atthe base of the incline
During an earthquake, the floor of an apartment building is measured to oscillate in approximately simple harmonic motion with a period of 1.60 seconds and an amplitude of 9.00cm, Determine the maximum speed of the floor during this motion
the driver of a 3000 lb car coasting down a hill must stop at the bottom. his speed when he applies the brakes is 60
A Flywheel (I = 100kg(m2 )) rotating at 500rev/min is brought to rest by friction in 2.0 minutes. What is the frictional torque on the fly wheel
The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports scientists have studied the change in length of the knee extensor tendon in sprinters and nonathletes. They find (on average) that the sprint..
The internal energy of a system changes becasue the system gains 176 J of heat and performs 312 J of work. During this return process, what work is involved
Now the gymnast (not holding any additional mass) walks directly above right support. What is the force the left support exerts on beam.
Discuss the functions of a thermoflask in terms of conduction, convection, and radiation. What improvements would you add to a modern day thermoflask
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