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An ice-cube tray is full with 77.9-gof water. After the filled tray reaches an equilibrium temperature 20.0°C, it is placed in a freezer set at -8.00°C to make ice cubes.
a) Explain the processes that occur as energy is being removed from the water to make ice.
b) Compute the energy that should be removed from the water to make ice cubes at -8.00°C.
Plane polarized light of intensity is sent through a polarizer rotated 45 degrees clockwise to the original plane of polarizer, What is the incident intensity of original intensity
The Atwood machine in the figure consists of masses m1 = 1.20 kg and m2 = 1.10 kg and a solid pulley with a diameter of 5.9 cm, what is the speed of the heavier mass after it has fallen a distance of 1.65 m
A 190 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force of 138 N directed 37° above the horizontal. Illustrate what is the rate at which the force does work on the block?
1 an egg is thrown horizontally off the roof sl. which is 20meter high with initail velocity of 6.5ms. how far from the
A horizontal wire of length 0.57 m, carrying a current of 8.0 A, is placed in a uniform external magnetic field. When the wire is horizontal, estimate the magnitude of the external magnetic field
two identical conducting spheres fixed in place attract each other with an electrostatic force of -0.6020 n when
At a grocery store, a spring scale (spring constant 450 N/m) hangs near the produce section. What is the velocity of the pan immediately after the oranges land on the pan
Discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (2.0 m) from an SR-71 Blackbird airplane flying at an altitude of 29 km.(Assume light with a wavelength of 440 nm.)
An aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the air is 30, what is the angle of refraction into the carbon tetrachloride?
When 1g of natural gas is burned in a stove, about 56kJ ofheat is produced. How much mass is lost in the process
A nonuniform, horizontal bar of mass 3.43 is supported by two massless wires against gravity. The left wire makes an angle 36.6 , with the horizontal, and the right wire makes an angle 62.9 .
a top view of a bar that can slide on two frictionless rails. The resistor is R = 6.20 ?,and a 2.50-T magnetic field is directed perpendicularly downward, At what rate is energy delivered to the resistor
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