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A generator supplies 130 V to a transformer's primary coil, which has 64 turns. If the secondary coil has 680 turns, what is the secondary voltage?
What are the average volumes for the two samples and would you expect this difference to have an impact on the efficiency of the markets for the two samples? Why or why not?
A Gaussian surface in the shape of a right circular cylinder with end caps has a radius of 13.7 cm and a length of 105 cm. During one end there is an inward magnetic flux of 19.2 μWb. At the other end there is a uniform magnetic field of 1.68 mT, nor..
The focal length of a thin lens is -24.1 cm. A screen is placed 160 cm from the lens. What is the y-coordinate of the point where the light ray shown hits the screen? The incident ray is parallel to the central axis and is h = 0.80 cm from that axis.
As a parallel-plate capacitor by circular plates 18 cm in diameter is being charged, the current density of the displacement current in the region among the plates is uniform and has a magnitude of 19 A/m2.
A 8.00 Ω resistor, 10.0 mH inductor, and a 130 µF capacitor are connected in series to a 40.0 V (rms) source having variable frequency. Discover the energy delivered to the circuit through one period if the operating frequency is twice the resonance ..
A person makes a quantity of iced tea by mixing 500g of hot tea (basically water) with an equal mass of ice at its melting point. Suppose the mixture has negligible energy exchanges with its environment.
A 150g copper bowl contains 220g of water, both at 20 degrees Celsius. A very hot 300g copper cylinder is dropped into the water, causing the water to heat, by 5g being converted to steam. The final temperature of the system is 100 degrees Celsius.
A rope is utilized to pull a 3.57 kg block at constant speed 4.86 m along a horizontal floor. The force on the block from the rope is 7.82 N and is directed 15° above the horizontal. What is the work done by the rope's force?
Through a rockslide, a 770 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction among the rock and the hill surface is 0.29. How much energy is transferred to thermal energy through the slide
A drop of water on a countertop reflects light from a flower held2.6 cm directly above it. The flower's diameter is 2.0 cm, and the diameter of the flower's image is 0.19 cm. What is the focal length of the water drop, assuming that it might be treat..
A circular conducting loop of 100 turns and radius 14 cm spins at 1000 rpm about an axis along its diameter, Find the maximum value of the e.m.f induced in the coil
water at a pressure of 4.5 atm at street level flows into an office building at a speed of 0.7 ms through a pipe 5 cm
A rock is thrown vertically upward from ground level at time t=0. What is the height of the tower
A model rocket is launched from rest with an upward acceleration of 6.00 m/s^2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s^2. How far is the rocket from the launch pad 6.00s later when the rocket engine runs out of fuel?
A flat sheet of crystalline quartz has a thickness of 2.1 cm. It is on top of a flat sheet of diamond that has a thickness of 3.0 cm. how far would it have traveled in a vacuum
a variable-length air column is placd just below a vibrating wire that is fixed at both ends. the lenth of the air
A 20-kg block and a 10-kg ball are hung from the ceiling through a pulley as shown below, calculate the acceleration of the ball and the block
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.95 m/s2 over a distance of 21.6 cm. Find the total time the block is in motion
An object is placed 45 cm from a concave mirror of radius 92 cm. (a) Find the location of the image. (Enter in cm. Use a negative number if the image is behind the mirror) cm (b) What is the magnification of the mirror? Is the image real or virtual? ..
a circuits consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 v. at
a tank circuit in a radio transmitter is a series rcl circuit connected to an antenna. the antenna broadcasts radio
q1. assume acceleration is constant during each time interval but not necessarily the same in both intervals what
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