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The ideal gas in a tank originally has a volume of V=10cm^3, P=10^5Pa, and T=27 degrees C. It is compressed isothermally to 2cm^3.
(a) What is the new temperature?
(b) What is the new pressure?
A sound source emits sounds of frequency 205 Hz that travel through still air at 340 m/s. The listener moves at 90 m/s relative to the still air away from the stationary source. Find the frequency heard by the listener.
An object of mass 0.550 kg is lifted from the f loor to aheight of 3.50 m at a constant speed. How much work is done by the lifting force
A spring with constant k=30N/m is used to shoot a block (mass 1kg) across a frictional horizontal surface. what is the force of friction acting on the block
only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. one force is 9.0 n due east
Two spheres are cut from a certain uniform rock. One has radius 4.30cm. The mass of the other is six times greater. Find its radius.
A 5.3kg box is on a frictionless 36^\circ slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.6kg weight. A- What is the tension in the string if the 5.3kg box is held in place, so that it cannot move? B- ..
On a cold winter day, the outside temperature is -20°C and the inside temperature is maintained at 20°C. What is the rate of increase of the entropy of the universe
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. How much time is required for the projectile to come up to speed
When an automobile moves with constant speed down a highway, mostof the power developed by the engine is used to compensate for themechanical energy loss due to frictional forces exerted on the carby the air and the road.
q1. consider a plane wave of monochromatic green light 600 nm that is incident normally on two identical narrow slits.
part of the wonder of blowing soap bubbles is watching the different colors reflect. if part of the soap bubble looks
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