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The electric potential energy stored in the capacitor of a defibrillator is 92 J, and the capacitance is 180 ?F. What is the potential difference across the capacitor plates?
A 18.60 kg piece of zinc at 75 degrees Celsius is placed in a container of water. The water has a mass of 20 kg and has a temperature of 10.10 degrees Celsius before the zinc is added. What is the final temperature of water and zinc.
Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.
On a frictionless, horizontal air track, the glider oscillates at the end of an ideal spring of force constant 2.52N/cm. The graph in the acceleration of the glider as a function of time. Find the mass of the glider.
A black thin-walled cylindrical can, 10.0 cm in diameter and 20.0 cm tall is filled with water at 100°C and suspended in a 20°C room. Determine the initial rate of heat transfer due to radiation
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
A luge and its rider, with a total mass of 90 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 38 m/s. If a force slows them to a stop at a constant rate of 1.4 m/s2.
A scaffold of mass 60 kg and length 5.5 m is supported in a horizontal position by a vertical cable at each end. find the tension in the cable closer to the painter
A laser-beam is fired through the air into a solid block of diamond (don't ask where we got it, it's a secret). What is the angle of refraction within the diamond
An object moves uniformly around a circular path of radius 23.0 cm, making one complete revolution every 2.05 s. What is the angular speed of the object
A reflecting telescope is built with a 10-cm-diameter mirror having a 1.00 m focal length. What is the magnification of the telescope
PSI (x) is the wave function for a particle moving along the x axis. Write the mathematical that will allow us to calculate the probability that the particle is detected in the inteval X=A to X=B
Mass 1 is a 15.0 g marble sliding to the left with a velocity of magnitude 0.72 m/s on the frictionless, Calculate the momentum of the marbles before the collision
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