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A tank whose bottom is a mirror is filled with water to adepth of 20.4 cm. A small fish floats motionless 6.60 cm under the surface of the water.
What is the apparent depth of the fish when viewed at normalincidence to the water? (use 1.33 for index of refraction ofwater)
What is the apparent depth of the reflection of the fish inthe bottom of the tank when viewed at normal incidence? (use 1.33for index of refraction of water)
A satellite with a mass of 310 kg moves in a circular orbit 3.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
Cosmonaut Andrei, your co-worker at the International Space Station, tosses a banana at you at a speed of 16 m/s. At exactly the same instant, you fling a scoopof ice cream at Andrei along exactly the same path.
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 208 C. What is the average kinetic energy of each type of molecule
The maximum speed of a 3.5-kg mass attached to a spring is 0.67m/s , and the maximum force exerted on the mass is 11N. What is the amplitude of motion for this mass
Suppose an astronomical telescope is being designed to have an angular magnification of 31.6. If the focal length of the objective lens being used is 98.0 cm, find the required focal length of the eyepiece and the distance between the two lenses f..
A 200-m-wide river flows due east at a uniform speed of 4.5m/s. A boat with a speed of 9.0m/s relative to the water leaves the south bank pointed in a direction 28o west of north. How long does it take for the boat to cross the river
q1. a flight attendant pulls her 66 n flight bag a distance of 381 m along a level airport floor at a constant
A 1460-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16300 N on the submarine, What is the submarine's acceleration
q1. a good baseball pitcher can throw a baseball toward home plate at 98 mih with a spin of 1590 revmin. how numerous
A 12 kg block is at rest on a level floor.A 395 g glob of putty is thrown at theblock such that it travels horizontally, hits the block, and sticksto it. The block and putty slide 15 cm along the floor. If the coefficient of sliding friction is 0.40,..
i want to measure accurately the time it takes for the drum of my clothes dryer to make one rotation. since the door on
You are driving just behind a second car and both of you are moving at a speed 68. If you are very tired after a long night, or you are texting, or you are alcohol impaired, your reaction time can be twice your standard reaction time. What is the m..
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