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The figure shows the pV diagram for a certain thermodynamic process. In this process. 1510 J of heat flows into a system. and at the same time the system expands against a constant extemal pressure of 4 x 104 Pa. If the volume of the system increases from 0.020 m3 to 6.10-2 m3. Calculate the change in internal (thermal) energy of the system. If the internal (thermal) energy change is nonzero. be sure to indicate whether this energy change is positive or negative.
Two thin lenses with a focal length of magnitude 16.5cm , the first diverging, How far from this first lens is the final image formed
Your mobile typically consumes about 420 mW of power when you text a friend. find the current flowing through the mobile circuitry under these circumstances
A generator is designed to produce a maximum emf of 150 V while rotating with an angular speed of 3600 rpm. how many turns of wire are needed
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
a supersonic wind tunnel is designed for m 3 at the test section with a throat 0.12m in area. the supply pressure and
A race vehicle driver must average 204.0 km/hover the course of a time trial lasting ten laps. find what average speed must be maintained for the last lap
A bat at rest sends out ultrasonic sound waves at 46.9kHz, What is the received sound frequency
A demented scientist creates a new temperature scale, the "Z scale." He decides to call the boiling point of nitrogen 0 ?Z and the melting point of iron 1000 ?Z. What is the boiling point of water on the Z scale
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 210 mi/h in 3.00 s. Find the average acceleration of the plane
oppositely charged parallel plates are separated by 3.65 mm. a potential difference of 600 v exists between the plates.
The magnitude and direction of acceleration of body both are constant will the body moves in straight line
A transformer is to be used to give power for a computer disk drive that needs 6.0V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 400. Discover the number of turns in the secondary?
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