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A gas is compressed at a constant pressure of 0.800 atmfrom 7.00 L to 3.00 L. In the process, 400 J of energy leaves the gas by heat.
a) What is the work done on the gas?
b) What is the change in its internal energy?
A graph depicts force versus position. What represents the work done by the force over the given displacement?
A 2.3-kg cart is rolling along a frictionless, horizontal track towards a 1.6-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certai..
The figure shows a closed Gaussian surface in the shape of a cubeof edge length 2.7 m, with one cornerat x1 = 4.6m,y1 = 4.5 m. Thecube lies in a region where the electric field vector is givenby = -2.8 -4.2 y2 +2.2 N/C, with y in meters. What is the ..
A line of charge starts at x = +x0 and extends to positive infinity. The linear charge density is λ = λ0x0/x, where λ0 is a constant. Determine the electric field at the origin.
A 7 kg fish is swimming at 1.8 m/s to the right. He swallows a 1.0 kg fish swimming toward him at 3 m/s. what is the velocity of the larger fish
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.5 cm in diameter and carries a current of 55 A. If the bird's feet are 3.9 cm apart, calculate the potential difference between its feet. (Th..
Consider a series LRC circuit with R=21 ?, L=0.29 H and C=0.4 µF. The current is 14 mA amplitude at 1.6 kHz. Find the angular resonant frequency of oscillations
The orbit of the moon takes 27.321661 days (you should convert to seconds!) at a radius of 384,748 km, Calcualte the orbital speed of the moon
Analysis of Physics, Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A1 is 1 square inch, and the area A2 is 10 square inches
A bicycle wheel of radius r = 0.5 m starts from rest and rolls 150 m without slipping in 30 s. Calculate the number of radians through which it turns
A certain copper power line carries a current of 52.7 A, and its resistance per unit length is 1.15 10-5 /m. If a bird is standing on this line with its feet 4.0 cm apart,
question1a plate of mass m moves horizontally with speed v on a frictionless table. a mass m is dropped vertically onto
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