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A converging lens of focal length 8 cm is 20 cm to the left of a diverging lens of focal length - 6 cm. A coin is placed 12 cm to the left of the converging lens. Find the location and magnification of the coin's final image.
Four point charges of magnitude 3.9 µC are at the corners of a square of side 3 m. Find the electrostatic potential energy if all the charges are negative
A coin placed 30.4 cm from the center of a rotating, horizontal turntable slips when its speed is 48.8 cm/s. (b) What is the coefficient of static friction between coin and turntable?
We will use solar heater as input in steam power cycle for plant. Water initially has temperature of 40 degree, find the Isentropic efficiency of turbine
A person has severe hearing loss that reduces the intensity in his inner ear by 31.5 dB. What amplification factor is needed for this person
A rock has a narrow crack (width 1.9 mm) into which water can penetrate. When this water freezes, it expands. Calculate the pressure on the rock when the water freezes
Two charged objects experience a mutual repulsive force of N. If the charge of one of the objects is reduced by a factor of and the distance separating the objects is increased by a factor of , what is the new force?
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is L = 98.1 m. How tall is the antenna
A grating that has 3400 slits per cm produces a third-order fringe at a 24.0? angle. What wavelength of light is being used
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator
Tthe center C' of the smaller circle is a distance .80R from the center C of the larger circle. illustrate what is the position of the center of mass of the plate?
The wavelength of the laser beam used in a compact disc player is 483 nm. Estimate the spacing between the slits of the grating
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.50 m/s at an angle of 25.0° below the horizontal. It strikes the ground 5.00 s later. (a) How far horizontally from the base of the building does..
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