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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.
Two boxes A and B are connected to each end of a light vertical rope. A constant upward force 80.0 is applied to box. Starting from rest, box descends 10.4 in 3.40. The tension in the rope connecting the two boxes is 37.0
A 1.20 kg mass is attached to a light cord that is wrapped around a pulley of radius 3.65 cm, which turns with negligible friction. Find the moment of inertia of the pulley
High-speed stroboscopic photographs show that the head of a 190-g golf club is traveling at 58 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
A 6.03-g bullet is moving horizontally with a velocity of +342 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). What is the velocity of the second block after the bullet imbeds itself
Two equal length strips of aluminum and steel are heated. Which expands more? How much more - that is, by what factor is one expansion greater than the other?
The donor paid gift tax of $14,000 on the transfer. If Laura later sells the property for $110,000, illustrate what is her recognized gain or loss?
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
A skier starts down a 35? slope. After a vertical drop of 31m , the slope temporarily levels out and then drops at 18? an additional 39m vertically before leveling out again. What is the skier's speed on the lower level stretch
A 640-g hollow ball 19cm in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 Hz
the speed at which the ball left the quarterback's hand.
A 0.20 {rm kg} rock is thrown vertically upward from the top of a cliff that is 31.0 {rm m} high. While it hits the ground at the base of the cliff, the rock has the speed of 31 {rm m/s}. Assume that air resistance can be ignored; find the initial sp..
questionhuman blood contains plasma platelets and blood cells. to part plasma from other components centrifugation is
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