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A 120 V potential is applied to a space heater that dissipates500 W during its operation.
(a) What is the resistance of the heater?
(b) What flows through the heater?
You are 3.20 m from a plane mirror, holding a camera, and you want to take a photograph of your image in the mirror. find To what distance should the camera be focused
An electric heater carries a current of17.5A when operating at a voltage of 120 V. What is the resistance of the heater?
A cylindrical spacecraft with length L = 13.2m and mass M = 11110kg is at rest in a particular reference frame. Find the final speed and angular velocity of the spacecraft
Knowing the temperature at the surface of the Earth to be 72 Find the temperature at the surface of Venus
Two charged particles, Q1 = +4.90 nC and Q2 = -2.80 nC, are separated by 36.0 cm. What is the electrical potential energy of the pair
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
In a series L-R-C circuit, the components have the following values: = 21.5 , = 165 , and = 400 . The generator has an rms voltage of 120 and a frequency of 1.25 .Determine the average power supplied by the generator. Determine the average power diss..
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg, What is the speed of the ?-particle and What is the radius of its circular path
A nuclear power plant has a reactor that produces heat at the rate of870MW. This heat is used to produce260MW of mechanical power to drive an electricalgenerator. What is the thermal efficiency of the plant
When a 19.7 kg wheel with an angular speed of 2.30 rad/s is disconnected from a motor, a 0.219 N · m frictional torque slows the wheel to a stop. how long will it take for the wheel to come to rest
work function of potassium is 2.225 eV. Find the cutoff wave length of potassium, find the frequency of the x-ray
You hang the rod vertically and attach a 74 kg mass to the bottom, and you observe that the bar becomes 1.74 cm longer. From these measurements, it is possible to conclude the stiffness of one interatomic bond in titanium.
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