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An ohmic appliance is rated at 110 Watt when it is connected to a 120 Volt source.
If the power company cuts the voltage by 6 percent to conserve energy, find what is the current in the appliance?
Determine the power consumed by the appliance after the voltage drop?
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field
A 65-g ice cube at 0°C is placed in 874 g of water at 23°C. What is the final temperature of the mixture
What is magnitude of the runners total displacement
a bat emits a sound whose frequency is 88.1 khz. the speed of sound in air at 20.0 oc is 343 ms. however the air
A single loop of wire with an area of 9.05×10?2 m2 is in a uniform magnetic field that has an initial value of 3.69 T , find the current induced in the loop
A 2-mol ideal gas system undergoes an adiabatic process where it expands and does 20 J of work on its environment. How much heat is received by the system
A mass attached to a spring stretches 2.5 cm from equallibrium. What is the angular frequency of the oscillation
A microscope uses beams of protons instead of photons/electrons. What wavelength would the beam of protons have if their momentum was acquired from a potential drop of 100 volts? (The answer is 2.87*10^-10 cm, but I don't know how to get there
An electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates.
A man and a boy carry a canoe 5.75 m longand weighing 373 N. The canoe is heldoverhead in a horizontal position. The boy holds one end of the canoe. How far from the opposite end should the man stand so that the boy exerts a force of only 126 N?
Sketch a ray diagram for a concave mirror with an object atD0=R. Is the image real or virtual? What is the image inverted or upright? Is the image size is magnified, reduced or same size?
A solid cylinder of mass 10 kg and radius 50 cm rotates with angular speed of 375 revs per minute. How long does it take for the cylinder to stop
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