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A massless string is wrapped around a cylinder of mass 0.59 kg and radius 0.28 m. The string attached to the ceiling. The cylinder is released. As it falls, the string unwinds. What is the the tension?
questionin everyday life we know that something described as white hot is hotter than something described as red hot.
Two conductors made of the same material are connected across the same potential difference. Conductor A has twice the diameter and twice the length of conductor B. What is the ratio of the power delivered to A and to the power delivered to B?show yo..
A toroid is a coil of wire wrapped around a doughnut-shapedring (a torus). For a tightly wrapped toroid with N turns, the magnetic field lines of Bform concentric circles inside the toroid, and the field is zero outside.
When a tuning forkof frequency 500 Hz is held above a tube, resonances are foundwhen the water level is at distances 16.0, 50.5, 85.0, and 119.5 cmfrom the top of the tube. (a) Find the speed of sound in air.
A block of mass 0.25 kg connected to a spring with spring constant 34 N/m is oscillating on a frictionless horizontal surface. What is the total energy of the system
If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion
A circuit made up of 6 resistors is shown in the figure, with resistances R1 = 23 Ω, R2 = 15 Ω, R3 = 32 Ω, R4 = 61 Ω, R5 = 93Ω, and R6 = 53 Ω. The total current going through the circuit is I = 5.5 A. Express the equivalent resistance of the combin..
A car is at the top of a 100 meter high hill, the car is coastingat 20 meters/sec., the car rolls down the hill. How fast is the car traveling when it reaches the bottom
A hockey puck on a frozen pond is given an initial speed of 23.0 m/s. If the puck always remains on the ice and slides 122 m before coming to rest. Determine the coefficient of kinetic friction
A circuit consists of two 150.?k? resistors in series with an ideal 12.0?V battery. Calculate the potential drop across one of the resistors
A simple pendulum consists of a ball connected to one end of a thin brass wire. find the change in the period of the heated pendulum
You push tangentially across the top surface of Jell-O with a force of 0.37 N. The top surface moves a distance of 10.5 mm relative to the bottom surface. The height of Jell-O is 2.5 cm, area is 3.5cm by 4.5 cm. What is the shear modulus of Jell-..
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