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Question: An ideal gas is compressed from a volume of Vi = 6.00 Lto a volume of Vf = 3.00 Lwhile in thermal contact with a heat reservoir at T = 295 K as in the figure below. During the compression process, the piston moves down a distance of d = 0.135 munder the action of an average external force of F = 35.5 kN.
At t = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at t = 2s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accelerati..
A pilot, whose mass is 85.0 kg, makes a loop-the-loopin a fast jet. Assume that the jet maintains a constant speed of105 m/s and that the radius of the loop-the-loop is 0.393 km
A small putty ball of mass 2m is thrown horizonatally at a rod of 3m and lenth L which pivots freely about about fixed axis throught one end . The puty ball is thrown with velocity v at the free end of the rod, to which it sticks, what is angular ..
A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased as it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co.
Just after the circuit is completed, what is the voltage drop across the capacitor? Just after the circuit is completed, what is the voltage drop across the resistor?
A 10 mF capacitor is charged by a 12 Volt battery via 5 kΩ resistor. Find in what time the capacitor acquires voltage 8 Volt
A skydiver of mass m, jumps from an aircraft at an altitude of hmetres, with an initial speed of 0 m/s. She opens her parachute andlands with a final speed of v m/s. Which expression is equal to theenergy dissipated by air resistance during the jump?
Starting from rest, a 10.5 kilogram block slides 2.70 meter down a frictionless ramp (inclined at 30.0 degree from the floor) to the bottom. Find the speed of the block at the bottom of the ramp
A grinding wheel in the shape of a solid disk is 0.260 meter in diameter and has a mass of 2.50 kilogram. Determine how far would it have to drop in free fall to acquire the same amount of kinetic energy
Visible light of wavelength 480 nm is incident on a diffraction grating with a slit spacing of 0.003 mm
A parallel beam of light containing red (660 nm) and blue (470 nm) wavelengths goes from polystyrene to water, What is the angle between the two colors in water
A block of mass 2.0 kg is pushed against a vertical wall by a horizontal push (P) of 50.0 N. Find the force AND the direction of the friction
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