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In a constant-volume process, 205 J of energy is transferred by heat to 0.94 mol of an ideal monatomic gas initially at 309 K.
A) find the work done on the gas?
B) find the increase in internal energy of the gas.
C) find its final temperature.
By how much does the potential energy of a 15.0-kg child increase. Find v0.
A block of mass m is initially at rest on a frictionless surface. At time t = 0, an increasing force given by F = kt2 is applied to the block. Find the velocity and the displacement of the block as a function of time and graph x and v versus t.
A shopper walks from the door of the mall to her car 310m down the lane of cars, then turns 90° to the right and walks an additional 70m. What is the magnitude of the displacement of her car from the mall door.
A chocolate bar (40grams) has 210 Calories. Approximately how long would the 100 watt light bulb shine if we convert all the chocolate's energy into electricity (100% efficiently)? (Remember 1Cal = 1000 cal = 4200 joules)
25.00kg lead sphere is hanging from a hook by a thin wire 3.50m long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart
What is the current in amperes in a wire of radius. The parallel plates in a capacitor, with a plate area of 8.70 cm2 and an air-filled separation of 3.30 mm, are charged by a 8.90 V battery.
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. How close are the two charges
The log has a mass m= 984 kg; the truck has a mass M=8750 kg. Calculate the minimum coefficent of static friction u needed to keep the log in the back of the truck
As part of a safety investigation, two 1900 kg cars travelling at 19 m/s are crashed into different barriers. Determine the average forces exerted on (1) car that hits a line of water barrels and takes 1.7 s to stop, and (2) car that hits a concre..
A parallel-plate capacitor has plates of area .5 m^2 separated by a distance of 2.0 mm. What is this capacitor's capacitance
A source of 116m In (half-life = 54.0 min.) is counted using a G-M tube. Successive 1-min observations gave 131,340 counts, calculate the true interaction rate in the G-M tube at 12:00
A child on a sled is initially at rest on an icy horizontal surface. Find the work done by the force pushing the sled
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