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Question: A conductor of radius r, length l, and resistivity p and resistance R. It is melted down and formed into a new conductor, also cylindrical, with one-fourth the length of the original conductor.
Part A. The resistance of the new conductor is:
Solve the above question in detail.
The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion
a point charge 6.0uc is placed at the origin and a second charge -3.8uc is placed in the x-y plane at 0.35m 0.55m .
Three identical blocks are stacked with each extending as far aspossible over the block beneath it. Find the distance Dthat the top block overhangs the bottom block if the length of eachblock is 34.6 cm.
After reaching its lowest point, the ball begins to rise again, this timeon a frictionless surface. How high does the ballrise on the frictionless side
Murphy is using a pulley to lift a barrel. For safety, the rope is wrapped around the pulley many times. Determine the acceleration of the barrel
What was the average acceleration throughout the trip
A compact disk player has just been turned off. A disk decelerates uniformly from an initial angular velocity of 8.90 rev/s. The disk rotates through 4.50 revolutions before coming to rest. What is the tangential acceleration of a point on the disk 2..
A 4200 kg truck is parked on a 24° slope. How big is the friction force on the truck
Two different elements with half lives Ta and Tb have Na & Nb (undecayed) atoms respectively, Determine the ratio of their activities at this instant
Explain how much work does the spring do on the block if the spring is stretched from relaxed length by 15.1 mm as the block is moved?
A 2.00 kg block is placed against a spring on a frictionless 26° incline. The spring, whose spring constant is 19.8N/cm, compute the elastic potential energy of the compressed spring
suppose a diode consists of a cylindrical cathode with a radius of 6.200times10-2 cm mounted coaxially within a
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