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500 gram of liquid nitrogen at 77k is stirred into a beaker containing 500 gram of 15 C water. If the nitrogen leaves the solution as soon as it turns into a gas, compute how much water freezes?
Heat is added to 1.00 10^3 cm^3 of water at atmospheric pressure. The water's temperature increases by 30.9°C. Find the increase in the water's internal energy
a spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. the inner sphere
An AC generator supplies an rms voltage of 115 V at 60.0 Hz. It is connected in series with a 0.350 H inductor, a 3.10 ?F capacitor and a 256 ? resistor. What is the peak voltage across the inductor
An alternating source drives a series RLC circuit with an emf amplitude of 6.07 V, at a phase angle of +33.3°. When the potential difference across the capacitor reaches its maximum positive value of +5.25 V, what is the potential difference across t..
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
The attractive electrostatic force between the point charges 7.35x10^-6C and Q has a magnitude of 0.400N when the separation between the charges is 2.92m. Find the sign and magnitude of the charge Q.
7.9 mol of helium are in a 14 L cylinder. The pressure gauge on the cylinder reads 68 psi. What is the average kinetic energy of a helium atom
a converging lens has a focal length of 4.0 cm. a 1.0cm high arrow is located 7.0 cm from the lens with its lowest
If a 100g of water is contained in a 300galuminum container at 20degrees C and an additional 200g of waterat 100degrees C is added to the container, determine the final temperature of the system
A spacecraft moving away from Earth emits a 4624 Hz signal. A scientist on Earth measures the signal to be 4623 Hz. Discuss is the speed of the spacecraft relative to Earth?
the eye of a hurricane passes over grand bahama island in a direction 60.0deg north of west with a speed of 38.0 kmh.
A contact lens is made of plastic with an index of refractionof 1.60. The lens has a focal length of +23.0 cm, What is the radius of curvature of the outer surface
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