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The back wall of a home aquarium is a mirror that is a distance of 46.0 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.
An earth satellite moves in a circular orbit with an orbital speed of 6300 m/s. Find the time of one revolution of the satellite
Block 1, of mass = 9.70 , moves along a frictionless air track with speed = 19.0 . It collides with block 2, of mass = 15.0 , which was initially at rest. The blocks stick together after the collision. Find the magnitude of the total initial momentum..
During a ballet performance a ballerina leaps into the air. If the dancer leaped at 90 degrees, what was the dancers initial speed
Unpolarized light with intensity I0 is sent ?rst through a polarizer with the polarizing axis aligned in the vertical direction, and then through a second polarizer with the polarizing axis oriented 30° from the vertical. What is the intensity of ..
A beam of hydrogen molecules (H2) is directed toward awall, at an angle of 50° with thenormal to the wall. What is the beam's pressure on the wall
A disk of radius 217 cm rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.31 m/s2. what is the tangential speed, v, of a point on the rim
A 220, 45.0-cm-diameter turntable rotates on frictionless bearings at 55. A 21.0 block sits at the center of the turntable. A compressed spring shoots block radically outward along a frictionless groove in the surface of the turntable.
a 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2 , find the magnitude of the force of the dog on the elevator floor
A pot containing 1.01 liter of water, initially at 19°C, is placed on a 1051 W electric heating element. How much heat is necessary to boil all the water away
A car starts from rest and travels for 10.0 s with a uniform acceleration of +3.0 m/s2. How far has the car gone
An 18 g rifle bullet traveling 200 m/s buries itself in a 3.5 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement. vertical m hor..
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
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