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A 670-kg meteorite happens to be composed of aluminum. When it is far from the Earth, its temperature is - 15°C and it moves with a speed of 14.0 km/s relative to the Earth. As it crashes into the planet, assume that the resulting additional internal energy is shared equally between the meteor and the planet, and that all of the material of the meteor rises momentarily to the same final temperature. Find this temperature. Assume that the specific heat of liquid and of gaseous aluminum is 1170 J/kg· °C.
A power station delivers 520 kW of power at 12,000 V to a factory through wires with total resistance 3.0. How much less power is wasted if the electricity is delivered
A toroid having a square cross section, 3.00 cm on a side, and an inner radius of11.0 cm has 500 turns and carries a current of 0.800 A. evaluate the magnitude of the magnetic field insidethe toroid
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 292 K. What is the power output (that is, the work done per second) of the compressor in the mini-fridge
A horizontal force of 60 N pushes a box that weighs 75 N across the floor at a constant speed. The coefficient of kinetic friction is 0.8. Find the rate at which power is generated by applied force
In a head on collision, a car stops in .10 seconds from a speed of 14 meters per second. The driver has a mass of 70 kg, and is, fortunately, tightly strapped into his seat. What force is applied to driver by his seat belt during that fraction of ..
A molecule has a rotational inertis of 14,000 u.pm^2 and isspinning at an angular speed of 4.3 X 10^12 rad/s. Calculate the rotational kinetic energy inelectron-volts
When laser light of wavelength 632.8nm passes through a diffraction grating, the first bright spots occur at +/- 17.8 degrees from the central maximum. At what angles do the third bright spots occur
Two balls, of masses = 60 and = 70, are suspended. The lighter ball is pulled away to a 67 angle with the vertical and released. Suppose that the positive axis is directed to the right.
Determine the terminal voltage of each battery in the figure. Determine the terminal voltage of top battery. Express your answer to two significant figures and include the appropriate units.
Drosophila melanogaster. There should be 2 or 3 pgs on the features of this model organism and why it is used in research. Include things life cycles, ploidy, genetics, genome data etc. There should be 2-3 pgs on the specific research paper yo..
When the door of the Chapel of the Mausoleum in Hamilton, Scotland, is slammed shut, If that echo were due to a single reflection off a wall opposite the door, how far from the door would that wall be
A monkey in a perch 20m high in a tree drops a coconut above the head of a zoo keeper as he runs with a speed 1.5m/s beneath the tree. How far behind him in metres does the coconut hit the ground?
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