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Suppose that the amount of heat removed when 1.6 kg of water freezes at 0.0 oC were removed from ethyl alcohol at its freezing/melting point of -114.4 oC. How many kilograms of ethyl alcohol would freeze?
Consider two inertial reference frames. while an observer in each frame measures the following quantities, which measurement made by two observers must yield the same results.
A 73 kg window cleaner uses a 17 kg ladder that is 5.1 m long. He places one end on the ground 2.4 m from a wall, What is the angle of this force on the ladder
A Carnot engine uses a steam boiler at 100°C as the high-temperature reservoir. Determine the useful power output of the heat engine
An object is placed 64.5 cm from a screen. Find the magnification of the lens
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
200 mL of water at 20.0 C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 4.00. How much heat energy is exhausted into the room
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
A block is pushed up a 20.0 (degrees) frictionless incline with an initial speed 12.0 m/s. How much time does it take to return to its starting position
From the difference in mass of a hydrogen atom (Appendix B) to the mass of a proton and an electron (Table 1.5), estimate the binding energy of the electron in the hydrogen atom. Compare this to the ionization energy of the ground state electron a..
assume you are standing on a train, both feet together, facing a window. The front of the train is to your left. The train starts moving forward.
A 2.00 meter long wire loops carrying a current of 2.00 A is in the shape of an equilateral triangle. determine the maximum torque that acts on it
question1a 1201.0 n uniform boom of length l is supported by a cable. the boom is pivoted at the bottom the cable is
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