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The back wall of a home aquarium is a mirror that is a distance of 30.0 cm away from the front wall. The walls of the tank are negligibly thin. A fish, swimming midway between the front and back walls, is being viewed by a person looking through the front wall. The index of refraction of air is nair = 1.000 and that of water is nwater = 1.333.
(a) Calculate the apparent distance between the fish and the front wall.
(b) Calculate the apparent distance between the image of the fish and the front wall.
on a ferris wheel with a 15 m radius, going one loop every 7 seconds, what is the acceleration? What is the ratio of your true weight vs apparent weight
A proton and an alpha particle (charge = 2e, mass = 6.64 10-27 kg) are initially at rest, separated by 2.30 10-15 m. What are both of their speeds at infinity
A typical ten-pound car wheel has a moment of inertia of about 0.35 kg(m^2). What is the rotational kinetic energy of the rotating wheel
even as Jo moves off in the opposite direction at a speed of 1.27m/s. assuming that friction is negligible, find out Al's mass.
A force F is applied horizontally to a block of mass 2 kg which, nevertheless, slides down a frictionless 5-m plane inclined at 25 degrees to the horizontal. what is its acceleration down the plane
After the Sun exhausts its nuclear fuel, its ultimate fate might be to collapse to a white dwarf state. In this state, it would have about the same mass as it has now, but its radius would be equal to the radius of the Earth.
At a rock concert, the engineer decides that the music isn't loud enough. He turns up the amplifiers so that the amplitude of the sound, By what percentage does the intensity increase
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
A hollow spherical shell has mass 8.05kg and radius 0.225m. What is the kinetic energy of the shell after it has turned through 6.25rev
A 42 ohm, 2.8 mA galvanometer is to be converted to a voltmeter that reads 178 V at full scale defection. What value of series resistance should be used with the galvanometer coil
A mass m slides without friction on a 1-dimensional track. The mass is moving from left to right with initial velocity v0. Determine the position where the mass will come to rest
A cube of edge length a in free sapace is charged over its volume with a charge density p(x)=p0 *sin(pi*x/a), Compute the total charge of the cube
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