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A thin film of oil (n = 1.26) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, the film reflects most strongly red light at 640 nm and reflects no light at 569 nm. What is the minimum thickness of the oil film?
nm
the elimination of the Linens Department will result in a 10% decrease in the sales of the Hardware Department. If the Linens Department is dropped, illustrate what will be the effect on the net operating income of the company as a whole?
A sled weighing 200 N is held in place by static friction on a 15? incline, What is the coefficient of static friction between the sled and the incline
The mass of Saturn is 95.2000 times that of earth, and its radius is 9.130 times that of earth. Calculate the acceleration of gravity at the surface of Saturn. Express your answer in g's (i.e. as a ratio to our acceleration of gravity).
An object 3.25 cm high is placed 18.7 cm in front of a convex mirror with radius of curvature of 8.35 cm. Where is the image formed
7.9 mol of helium are in a 14 L cylinder. The pressure gauge on the cylinder reads 68 psi. What is the average kinetic energy of a helium atom
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
A physics book (mass=3.0 kg) is given a horizontal velocity of 4.0 m/s out the window. Determine the work down by gravity while the book is in between the two windows
A battery has an emf and an internal resistance . When the battery is connected to a 25 resistor, the current through the battery is 0.65 . When the battery is connected to 60 resistor, the current is 0.45 .
questiona.if puck has a radius of 2 cm what is the ratio of angular to linear velocity for which kinetic energy of
A 50 kg ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. What is the pressure exerted by the floor over the area of contact (a) if the dancer is stationary and (b) if dancer is lea..
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3,800 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.15 for the trailer.
A single slit has a width of 2.10x10^-6 m and is used to form a diffraction pattern. Find the angle that locates the second dark fringe
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