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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.94 m, 5.13 m) while a constant force acts on it. The force has magnitude 1.62 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
A laser emits a narrow beam of light. The radius of the beam is 8.5 mm, and the power is 1.7 mW. What is the intensity of the laser beam
Two square metal plates are placed parallel to each other, separated by a distance d= 2.04 cm. The plates have sides of length L = 0.580 m. One of the plates has charge Q= + 1.86×10-6 C, while the other plate has charge -Q. Calculate the magnitude..
As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
A gas is kept at constant pressure. If its temperature is changed from 15 to 145°C, by what factor does the volume change
A solar concentrating heat exchanger system directs sunlight onto a long,straight pipe. How long is the pipe for steady state, teady flow conditions
On a frictionless table, a glob of clay of mass 0.340kg strikes a bar of mass 1.44kg perpendicularly at a point 0.10m from the center of the bar and sticks to it.
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 297 N for 7.4 s, what is the total work (by all forces) done on the refrigerator
Practical steam engines utilize 450°C steam, which is later exhausted at 250°C. What is the overall efficiency of the two engines
The polonium isotope 210Po, an alpha emitter, has a half-life of 138.38 days. You happen to have a 1.4 g cube of 210Po, How long will it take to boil the water
An air puck of mass 0.029 kg is tied to the string and allowed to revolve in a circle of radius 2.0m on a frictionless horizontal surface. The other end of the string passes through a hole in the center of surface, and a mass of 2.6 kg is tied to it...
The image of a very distant car is located 25 cm behind a convex mirror. What is the radius of curvature of the mirror
What is the change in gravitational potential energy of a 2.00- kg mass that is carried from the surface of the earth to a distance of one earth radius above the surface
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