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A face appears in a convex mirror; face is 75% its normal size and appears to be 24cm behind the mirror.
a. How far was the face standing from the mirror? Is the image real ir virtual?
b. What is the radius of curvature mirror?
c. Make a sketch of the optical system, draw at least two lights rays to show how the image is formed?
A layer of transparent plastic (n = 1.63) on glass (n = 1.52) looks dark when viewed in reflected light whose wavelength is 576 nm in vacuum. Find out the two smallest possible nonzero values for the thickness of the layer.
What should be coefficient of static friction
Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the driver is that the load may slide forward, Calculate the minimum stopping distance for which the load will not slide forward relative to the truck
An 8.0cm diameter, well-insulated vertical cylinder containing nitrogen gas is sealed at the top by a 5.8kg frictionless piston, What is the gas pressure inside the cylinder
The excess internal energy of metabolism is exhausted through a variety of channels, such as through radiation and evaporation of perspiration. Calculate the rate at which you lose energy by exhaling humid air
A cardboard tube of radius R and length L has a uniform charge density on its surface. Find the potential at a point on the axis of the tube at a distance d from the center.
The rent revenue collected in advance is the only difference, and it is not repeated in October 20X5. Is this a temporary difference? Why or why not? Illustrate what is the accounting carrying value for the unearned rent at the end of 20X4? The tax b..
You are driving 110 miles to Columbus from Cincinnati. The first 100 miles you drive a good speed of 75mi/h . Unfortunately, you hit a traffic jam the last 10 miles where at least you move a constant 8.00mi/h .
What minimum coefficient of static friction is required? Is the reply you found reasonable? In other words, is he probable to stay on the merry-go-round.
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.40 m. The cylinder is suspended some meters off the ground with its axis oriented horizontally, and turns on that axis without friction.
Consider the crates in the figure where m1 = 45 kg and m2 = 12 kg. Assume that there is no friction between m1 and the table, Write Newton's second law for motion along both coordinate directions
What is the magnitude of the net force on the student.What is the magnitude of contact force on the student by the backpack.
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