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The volume of an ideal gas is held constant. Determine the ratioP2/P1of the final pressure to the initial pressure when the temperature of the gas rises(a)from 49 to 98 K and(b)from 39.6 to 54.2oC.
A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.70m long and 1.45m high. What will be its length at rest
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. How much work was done by the air resistance during the entire path ..
The spring stretches 5.0 cm from its previous equilibrium position toward the two spheres. Calculate the spring constant.
1. a converging lens has a focal length of f 23 cm. an object is placed 44 cm from the lens. find the size of the
A 2.8 kg block slides along a frictionless horizontal with a speed of 5.5 m/s. After sliding a distance of 8m, the block makes a smooth transition to a frictionless ramp inclined at an angle of 43 degrees to the horizontal. The acceleration of gravit..
A boat with a speed of 10 m/s in still water, tries to cross a river with a current flow 2.0 m/s and is a 100 meeters wide. how far down river does it land
Four charges Aq,Bq,Cq, and Dq (q = 5 x 10-07C) sit in a plane at the corners of a square whose sides have length d = 80.0 cm. A charge, Eq, is placed at the origin at the center of the square.
A 5.90-g pellet of aluminum reaches a final temperature of 70?C when gaining 210J of heat. What is its initial temperature
One generator uses a magnetic field of 0.185 T and has a coil area per turn of 0.0405 m2, What magnetic field should be used in the second generator
The tip of one prong of a tunng fork undergoes SHM of Frequencry 100 hz and amplitude 0.40 mm. For this tip, what is the magnitude of the a) maximum acceleration, b) maximum velocity, c) acceleration at tip displacement +0.20 mm, d) velocity at ti..
You want to use the idea of electromagnetic induction to make the bulb in your small flashlight glow; it glows when the potential difference across it is 1.5 Volt. Find with what speed should you move the magnet to make the bulb light
An RLC circuit consists of a 98.45ohm resistor, a 170.31 micro farad capacitor, and an inductor. The current is 1.94 A rms when the circuit is connected to a 120 V/60 Hz outlet. What is the inductance?
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