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Two identical rectangular rods of metal are welded end to end witha temperature of T1 = 0o C on the left sideand a temperature of T2 = 100o Con the rightside. In 2.0 minutes, 10J is conducted at a constant rate from theright side to the left side. How much time would be required toconduct 10J if the rods were welded side to side.
An archer pulls her bowstring back 0.432 m by exerting a force that increases uniformly from zero to 227 N. What is the equivalent spring constant of the bow
A wire is made of a material with a resistivity of 4.84004 × 10 ?8 ? · m. evaluate the resistance of the wire
The highest part of a road over the top of a hill follows an arc of a vertical circle of radius 50.0 m. With what minimum speed must you drive
Joe is moving through space at an unknown speed. His clock runs 4 minutes per hour slower than Jane's clock, How fast is Joe moving
A uniform 2.15- kg spinning disk with a radius of 0.233 m is brought to rest by a brake-pad pressed against the side 0.149 m from the rotation axis. What frictional force was applied by the brake pad
A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Find the angle in degrees west of north
A Carnot engine uses reservoirs at temperatures of 27.0°C and 327°C. In one cycle, it uses 600 J of heat from the high temperature reservoir
A rat with an emissivity of .40, total area of .15m^2 and a temperature of 37C. How much energy must the rat's body generate to maintain a skin surface of 37C in a 24 hour period
In the theory section of this lab, we discuss the latent heat of fusion and the latent heat of vaporization. What would the latent heat of sublimation be
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire
The liquid-drop model of the atomic nucleus suggests high-energy oscillations of certain nuclei can split the nucleus into two unequal fragments plus a few neutrons, Calculate the electric potential energy (in electron volts) of two spherical fragm..
A skier slides horizontally along the snow for a distance of 25 m before coming to rest. how fast was the skier going
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