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A copper rod has a length of 1.5 meter and a cross-sectional area of 4.0 x 10-4 m2. One end of the rod is in contact with boiling water and the other with a mixture of water and ice. Compute the mass of ice per second that melts? Suppose that no heat is lost through the side surface of the rod.
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
The mean distance between the Earth and the Sun is 1.50×1011 m. determine the total power radiated by the Sun
When rolling a ball down an inclined plane, the ball rolls 1 cubit in ten seconds. How far will the ball have rolled from its starting point after 20 seconds
Coherent light with wavelength 592 nm passes through two very narrow slits, and interference pattern is observed on the screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is the distance of 4.84 {rm mm} from the center o..
A plate carries a charge of -3.9 µC, while a rod carries a charge of 2.9 µC. How many electrons must be transferred from the plate
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
A fox fleeing from a hunter encounters a 0.735 m tall fence and attempts to jump it. By how much does the fox clear the fence
The energy in a lightning bolt is enormous. Consider, forexample a lightning bolt in which 29C of charge moves through apotential difference of 1.4*108 V. With the amountof energy in this bolt, how many kilograms of water at100o C could be boiled int..
Two identical point charges are fixed at opposite corners of a square whose sides have a length of A test charge, Determine the speed of the test charge when it reaches the center of the square
The frequency of light reaching Earth from a particular galaxy is 16% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
Two parallel plates of area 190 cm2 are given charges of equal magnitudes 6.0 x 10-7 C but opposite signs. Calculate the dielectric constant of the material
A 1650-kg car is travelling at 31.2 m/s. How fast must a 91.0-kg bicycle and rider be travelling to have the similar kinetic energy as the car.
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