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A textbook of mass 2.10 rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.180 , to a hanging book with mass 2.92 . The system is released from rest, and the books are observed to move a distance 1.29 over a time interval of 0.760 . the rension of the part of he cord attached to the textbook is 9.38 N, and the tension in the part of the cord attached to the book 15.6 N. please find the mmoent of inertia of the pulley about its rotation axis?
An east-west electric power line carries a 500-A{\rm A} current toward the east. Determine the direction of this magnetic field at Earth's surface directly under the wire
The human eye is sensitive to orange light having a frequency of about 4.95 1014 Hz, What is the energy in joules of the photons associated with this light
A 0.1 kg ball is thrown towards a 0.3 kg rod that is 0.75 m long and hanging vertically from a frictionless hinge at its upper end. If the ball is traveling horizontally at 0.6 m/s just before striking the rod 0.5 m below the hinge and then reboun..
The drag coefficient, D, for a spherical raindrop with a radius of 0.445cm falling at its terminal velocity is 1.74×10?5kg/m. Calculate the raindrop's terminal velocity in \rm m/s
You have a 200 ohm resistor, a 0.400 H inductor, and a 6.00 mF capacitor. Suppose you make a series circuit with the resistor, the inductor, the capacitor, Find the angular frequency omega of the voltage source
For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg.
A car is moving to the left at 20 m/s while a truck is moving to the right at 25 m/s. what is the perceived frequency, in Hz, of the sound by the driver of the car
Calculate the cost of running the light bulb you used in lab at 12 volts for one year. Calculate the cost of a MacBook pro labtop to be left on for one year
A nuclear power plant produces an average of 4.90 × 103 MW of power during a year of operation. Find the corresponding change in mass of reactor fuel
The density of water is 1000kg/m^3 or 8.33lbm/gallon, the mass flow rate is 494838.83 kg/s and goes through a turbine generator that has 0.80 efficiency
Two moles of an ideal gas are placed in a container whose volume is 6.2 x 10-3 m3. find the average translational kinetic energy of a molecule
A 7.7cm diameter horizontal pipe gradually narrows to 6.7cm . When water flows through this pipe at a certain rate, What is the volume rate of flow
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