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A gas is enclosed in a container fitted with a piston of cross-sectional area 0.13 m2. The pressure of the gas is maintained at 7490 Pa as the piston moves inward 9 cm. Calculate the work done by the gas. Answer in units of J. And, if the internal energy of the gas decreases by 10.1 J, find the amount of heat removed from the compression. Answer in units of J.
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation, What is the radius (in cm) of coil 2
Given the strategic decisions in the case, Classify three leadership actions that the industry would need to be consider to implement the decisions. Explain why these are critical to implementing the strategic decision.
A charged particle is injected at 215 m/s into a 0.0739-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A wooden raft has a mass of 45 kg. When empty it floats in water (density 1000 kg/m3) with 68% of its volume submerged. What mass of sand could be put on the raft without it sinking.
Two people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
A 990-kg sports car collides into the rear end of a 2100-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, What was the speed sports car at impact
How rapidly atom are assembled in this protein synthesis
A major league pitcher can throw a baseball in excess of 42.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 18 m away from the point of release.
Problem on elevator
Two small plastic spheres each have a mass of 1.9g and a charge of -60.0nC, By what factor is the electric force on a sphere larger than its weight
How fast will the electron be moving. What was his average speed (in m/s) for the race.
consider two blocks of wood, one having mass of 1 kg and the other having a mass of 2 kg. What is the net force of the bottom block
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