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A converging lens has focal length 10 cm.
(a) How far from the lens should the object be placed to form a virtual, upright image twice as large as the object.
(b) Draw the corresponding ray diagram.
Two points in a rectangular coordinate system have the coordinates (4.7, 2.5) and (-2.5, 4.7), Determine the distance between these points
Find the average force of the water on the diver. The swimmer comes to a stop 4 m below the surface. Find the average net force acting on the diver as coming to a stop in the water.
What is the centripetal force that would be required to keep a 4.0 kg mass moving in a horizontal circle with a radius of 0.80 meters at a speed of 6.0 meters/second?
A truck travels 2.75 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 6.00 min. What is the magnitude of the average velocity for this trip
You wish to design a velocity selector that will allow protons to pass through only if they have a speed of 500 m/s, You decide to produce this electric field using a parallel-plate capacitor with a plate spacing of 1.0 mm. What is the electric pote..
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is 2.70 cm, What is the power of the implanted lens
A charge of -2.20 micro coulombs is located at (3.00m, 4.50m), and a charge of +3.60 micro coulombs is located at (-2.8m, 0m).
You want to take a bath with the water temperature at 35°C. The water temperature is 38°C from the hot water tap and 11°C from the cold water tap. You fill tub with a total of 191kg of water. How many kilograms of water from the hot water tap do y..
A ball is thrown on a projectile path with an initial vertical velocity of 30 m/s. find the initial horizontal velocity
The battery has internal resistance of 0.100 Ω, and the rod and rails have negligible resistance. A 2.02 T magnetic field is directed perpendicular to the plane of the circuit. Find the magnetic force on the rod. F= 38.78 N. Find out the rod's spe..
As part of a safety investigation, two 1800 cars travelling at 18 are crashed into different barriers. Find an average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and ta..
A near-sighted woman cannot focus on any object farther away than a distance x = 57 cm. Find the focal length of the lens which will correct her vision
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