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Identical objects are located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 4.1 and mB = 2.0. Find the ratio fA/fB of the focal lengths of the mirrors.
calculate the overall magnification of a compound microscope that uses an objective lens with a focal length of 0.50 cm
A student sits on a rotating stool holding two 3kg objects. When his arms are extended horizontally, the objects are 1m from the axis of rotation.
A 160 kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.170 m/s. How much work must be done on the hoopto stop it?
In an automobile, the system voltage varies from about 12 V when the car is off to about 14.1V, By what percentage does the power delivered to the headlights vary as the voltage changes from 12 V to 14.1V
A coil is connected in series with a 10.0k? resistor. A 50.0 V battery is applied across the two devices, How much energy is stored in the coil at the same moment
The tires of a 1545 kilogram car are 0.590 meter in diameter and the coefficients of friction with the road surface are µs = 0.800 and µk = 0.600. find the maximum torque that can be exerted by the engine on a driving wheel
Type your question hereA uniform line of charge that is 5.00cm long has a total charge of 6.00uC. What is the electric field (given in magnitude and direction) at the electron
Four very narrow slits, each separated by 3.20 × 104 meter from the next, are illuminated by a 640 nanometer laser, Find what is the new intensity at that location if any one of the four slits is covered up
A muon is produced by a collision between a cosmic ray and an oxygen nucleus in the upper atmosphere at an altitude of 50 km, What is the velocity of a muon at the surface
A heating element is made by maintaining a potential difference of 80.0 V across the length of a Nichrome wire that has a 2.94 × 10-6 m2 cross section. what should the length be
A small monkey is traveling along a branch, What is the max speed of the monkey during this interval? Show all calculations
Your new sports car of mass m is accelerated from rest at t=0 with constant power P along a level road. ingore any resistance effects, find the speed of your car as a function of time
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