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A long straight rail with with 5.5 cm spacing has no friction between the rail and a conducting rod that is pulled along the top of the rail. The rail is connected at the end the rod is being pulled away from by a 250 Ohm resistor. If the rod is being pulled at a constant velocity of 37 cm/s, and there is a uniform magnetic field coming up through the rails vertically of strength 1.5T, what current is induced in the loop formed by the rod, the rails and the resistor? What direction is the current flowing in the system? Draw a diagram to indicate the direction of the field and indicate the direction of the current on this diagram.
The springs of a 1700-kg car compress 4.90mm when its 63.0-kg driver gets into the driver's seat. If the car goes over a bump
question1a movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 0.25 mol of an ideal gas in
Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ice at. Find the amount of heat it would take to bring all of the ice to its melting point
A string of linearmass density μ1 is connected smoothly to a string of linea rmass density μ2. Find the refection and transmission amplitudes in terms of the mass densities, and independently in terms of the wave velocities.
When the tension in a cord is 77.4 N, the wave speed is 132 m/s. What is the linear mass density of the cord
Suppose a manufacturing plant has an average sound intensity level of 97.0 dB created by 25 identical machines. Find the sound intensity created by one such machine
A 100kg box slides down a ramp that has 60.0degrees slope. The coefficient of kinetic friction between the box and the ramp is 0.250. What is the work done by the gravitational force
In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Find the net power radiated by the person when in a room with temperature . Express the net radiated power numerically, to the nearest 10 W
A 100 gram piece of gold that is heated to 160 C and placed in 200 g of 20 C water. Determine what is the equilibrium temperature if the specific heat of gold is 0.128J/gC
A 1.65 kg mass is placed on the end of a spring that has a spring constant of 195 n/m. find the change in elastic potential energy of the system
q1. a small turtle moves at a speed of 165 furlongs per fortnight. find out the speed of the turtle in centimeters per
question a solenoid is designed to produce a magnetic field of 0.0270 t at its center. it has radius 1.40 cm and length
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