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A cylindrical pulley with a uniform solid disk shape has a radius of 10.0cm and a mass of 0.80kg. A 1.0kg weight is attached with a light wire wrapped around the rim of the pulley.
a. If the weight is dropped and the pulley unwinds, how far does the weight fall when the pulley has 5.0J of Kinetic Energy?
b. At this point, what total percentage of the kinetic energy does the pulley have?
A 94 g piece of ice at 0.0°C is placed in an insulated calorimeter of negligible heat capacity containing 100 g of water at 100°C, What is the final temperature of the water once thermal equilibrium is established
Two long parallel wires carry currents of 3.77 A and 4.35 A. Find the separation distance of the wires expressed in millimeters.
Suppose you measure the terminal voltage of a 3.260 V lithium cell having an internal resistance of 5.50 by placing a 1.00 kvoltmeter across its terminals, Find the actual terminal voltage to the nearest 0.01 V
A hydroelectric power plant is situated at the base of a large dam. Water flows into the intake near the bottom of the reservoir at a depth of 100.2 m, Estimate the maximum possible peak current that a single generator can supply
Calculate the angular momentum of Jupiter due to its orbital motion about the Sun. In your calculation, use 7.780 1011 m as the average Jupiter-Sun distance and 3.740 108 s as the period of Jupiter in its orbit
A certain automobile engine is performing work at the rate of 33900 W (45 hp) with an efficiency of 27%
A source of AC voltage with a frequency of 60 Hz, Find the shortest time in seconds required for the voltage across the light bulb to reach 170 V
How much work is needed to move it at constant speed.
A microscope uses an eyepiece with a focal length of 1.65 cm . Using a normal eye with a final image at infinity, What is the magnification of the microscope
An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 5500V. It then passes between two horizontal plates 6.5cm long and 1.3 cm apart that have a potential difference of 250V. At what angle wil..
he density of free electrons in gold is 5.90x10^28 m^-3. The resistivity of gold is 2.44x10^-8 ohms.m at a temperature of 20 C, what is the drift velocity of the electrons in the wire
A rotating cylinder about 16- {rm km} long and 6.8 -km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the similar acceleration because of gravity as on Eart..
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