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Three moles of an ideal monatomic gas are at a temperature of 340 K. Then 2701 J of heat is added to the gas, and 792 J of work is done on it. What is the final temperature of the gas?
How far did you travel on this trip? What was your average speed.
Determine the binding energy of the last neutron in a 2311Na nucleus. The masses of the neutral atoms of 2311Na and 2211Na are 22.989770 u and 21.994437 u
A simple pendulum with mass m = 1.5 kg and length L = 2.41 m hangs from the ceiling, What is the magnitude of the radial acceleration as the pendulum passes through the equilibrium point
Mary needs to row her boat across a 100-{rm m}-wide river that is flowing to the east at a speed of 1- {rm m/s}. Mary can row the boat with a speed of 2- {rm m/s} relative to the water.
The other end is attaced to a 3 kg disk moving in uniform circular motion on the table, which stretches the spring by 1 cm. Note: Friction is negligibe. Illustrate what is the work done on the disk by the spring during one full circle?
Two long parallel wires each with a mass per unit length of 25.10 g/m are supported in a horizontal plane by 2.5 cm long strings. Each wire carries the same current, I, causing the wires to repel each other so that the angle between supporting string..
find the charge on the block. A very small charged block with a mass of 2.05g is placed on an insulated, frictionless plane inclined at an angle of 17° with respect to the horizontal.
A satellite is on a circular orbit of radius twice of that of Earth. If the Earth surface is considered to be a mirror, what is the speed of the image of the satellite
Megan's mass is 28kg. She climbs the 4.8m ladder of a slide and reaches a velocity of 3.2m/s at the bottom of the slide. How much work was done by friction on Megan? Assume that air resistance is negligible.
A brick is thrown upward from the top of a building at an angle of 45° to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.8 s, how tall is the building.
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant? -140 N/C 140 N/C -35 N/C 35 N/C 75 N/C.
You want to take a full-length photo of your friend who is 2.00m tall, using a 35.0mm camera having a 50.0mm lens. How far should your friend stand from the lens
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