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An upright object is placed a distance in front of a converging lens equal to twice the focal length (f1) of the lens. On the other side of the lens is a converging mirror of focal length f2 separated from the lens by a distance 2(f1+f2). A) Find the location, nature, and relative size of the final image, as seen by an eye looking toward the mirror though the lens. B) Draw the relevant ray diagram.
A 299 turn solenoid has a radius of 8.00 cm and a length of 22.0 cm. Find the energy stored in it when the current in its windings is 0.495 A
A 170 ball is dropped from a height of 1.8 , bounces on a hard floor, and rebounds to a height of 1.0. What maximum force does the floor exert on the ball
Two ants race across a table 56 cm long. One travels at 4.5cm/s and the other at 2cm/s. When the first one crosses the finish line how far behind is the second one.
Assume that the total energy E of an electron greatly exceeds its rest energy. If a photon has a wavelength equal to the de Broglie wavelength of the electron, what is the photon's energy
a car traveling at 95 km/hr. is 210 m behind a truck traveling at 75 km/hr. How long will it take the car to catch the truck
A woman inside an elevator is standing on a scale. Before the elevation it starts moving the scale shows 50 kg, calculate the acceleration of the elevator if when it starts moving upward the scale reads 70kg. What will the reading of the scale be ..
q1. a student in a parked car honks the horn that has a proper frequency of 310.00 hz. an observer in an approaching
Moon effect. Some people believe that the Moon controls their activities. If the Moon moves from being directly on the opposite side of Earth from you to being directly overhead, by what percentage does (a) the Moon's gravitational pull on you inc..
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 7.00 km from the source, What is the average power radiated by the source
A 21.5-g bullet is fired from a rifle. It takes 2.15 10-3 s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 620 m/s. find the average net force exerted on the bullet
Veronique is nearsighted; she cannot see clearly anything more than 6.39 m away without her contacts. What is the greatest distance an object can be placed so that she can see it clearly with these glasses
Electrons from a heated filament pass through a hole in the cathode. They are then accelerated between the cathode and anode. what direction are the electrons deflected
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