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A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture?
On planet X, the absolute pressure at a depth of 2.30 m below the surface of a liquid nitrogen lake is 5.50×10^5 N/m^2. What is the atmospheric pressure on planet
A generator connected to an RLC circuit has an rms voltage of 120V and an rms current of 34mA. what is the inductive reactance of the circuit
A 10 m beam of mass 330 kg extends over a ledge. The beam is not attached, but simply rests on surface. A 53 kg student intends to position the beam so that he can walk to the end of it. How far from the edge of the ledge can the beam extend.
What happens to support force on the workmens feet
How long will it take you to cover the 99 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.5 m/s relative to the walkway.
In fact, the increased normal force at these large angles makes force of friction too large to move the lawnmower at all.
A Circuit has two identical capacitors with capacitance 4x10^-6 in parallel connected to two identical four ohm resistors in parallel. What is the initial charge on the capacitors
Two large, parallel, conducting plates are 26cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 2.8 x10-15 N acts on an electron placed anywhere between two plates.
wo converging lenses are placed 60.0 cm apart. The intial object is placed 28.7 cm in front of the first lens. what is the total linear magnification for the system
A metallic sphere has a charge of +4.4 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now? sphere nC rod nC
Blue light (λ = 450 nm) shines on a diffraction grating that has 4000 lines/inch. Calculate the angle of the fourth-order image.
A Carnot engine operates between 27C and 927C and preforms 4800 J of work. Calculate the net entropy change during one cycle
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