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Joseph is standing 0.80 meters in front of a big spherical mirror (concave mirror), and sees his image upright and magnified 3.0x bigger than he is.
1) Is this image real or imaginary? How far is the image from the mirror?
2) Find the radius of curvature of the mirror.
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -42 µC. by how much does her mass increase
Express how unmet basic physiological needs of oxygen, nutrition, temperature, and humidity threaten clients' safety.
You are standing 4.5m from a convex security mirror in a store. You estimate the height of your image to be half of your actual height. Estimate the radius of curvature of the mirror
Lightning can be studied with a Van de Graaff generator, which consists of a spherical dome on which charge is continuously deposited by a moving belt, What is the maximum charge on the dome
A certain EM wave has a wavelength of 4 X 10 ^-7 m and a speed of 2.5 X10^8 m/s in a partcular material ( not a vacuum). what is the wavelength of this wave in a vacuum
Two masses are placed on the x axis. The first mass 320kg is located at x = 310cm , the second mass 660kg is at the origin
A kayaker paddles with a power output of 60.0 W to maintain a steady speed of 1.40 m/s, by what factor does the kayaker's speed change
A person pulls a toboggan for a distance of 41.7 m along the snow with a rope directed 24.3 ° above the snow, How much work is done on the toboggan by the tension force
Two small metallic spheres, each of mass m = 0.25 g, are suspended as pendulums by light strings from a common point as, compute the magnitude of the charge on each sphere
Two red blood cells each have a mass of 9.05 × 10-14 kg and carry a negative charge spread uniformly over their surfaces. What is the maximum accleration of the cells as they move toward each other and just touch
An aluminum cup of mass 200 g contains 800 g of water in thermal equlibrium at 80.0c. the combination of cup and water is cooled unformly so that temperature decreases by 1.50c per minute. at what rate is energy being removed by heat.
State the maximum height in terms of a, t_1, and/or g. Note that in this problem, g is a positive number equal to the magnitude of the acceleration due to gravity.
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