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A lost shipping container is found resting on the ocean floor and completely submerged. The container is 5.9 m long, 2.9 m wide, and 2.9 m high. Salvage experts attach a spherical balloon to the top of the container and inflate it with air pumped down from the surface. When the balloon's radius is 1.7 m, the shipping container just begins to rise towards the surface. What is the mass of the container? Ignore the mass of the balloon and the air within it. Do not neglect the buoyant force exerted on the shipping container by the water. The density of seawater is 1025 kg/m3.
How long a piece of wire would you need to form a circular arc subtending an angle of 1.6 rad, if the radius of the arc is 8.2 cm?
Balmer discovered the famous formula that bears his name by inspection and trial and error. See if you can discover the formula for each of the following series of wavelengths. Each formula involved an integer n, but, as in the Balmer formula, n m..
The skis have a thrust of 189 N and a coefficient of kinetic friction on snow of 0.1. Unfortunatately, the skis run out of fuel after only 9 s. Illustrate what is Sam's top speed?
a person scuffing her fee on a dry day accumulates a net charge of -42 uc. how many excess electrons does she get and
A 17.0 kgbucket of water is suspended by a rope wrapped around a windlass,that is a solid cylinder 0.500 m indiameter with mass 11.0 kg. What is the tension in the rope while the bucket is falling
Mechanics: Center of Mass. A 60 kg woman and a 90 kg man stand 10.0 m apart on frictionless ice.
Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.6 seconds, what will be his final velocity and how far will he fall
A helicopter lifts a stretcher with a 74 kg accident victim in it out of a canyon by applying a vertical force on the stretcher. what power is deliever by the helicopter
A boat whose speed in still water is 8 m/s, is directed across a river with a current of 6.0m/s. What is the speed of the boat as it crosses the river?
The period of a particular satellite is exactly 24 hours. How high above the surface of the Earth is it orbiting
Two sound sources produce sound waves. The first source has an intensity level of 38.0 W/m^2 and the second source has an intensity level that is 2.5dB greater than the intensity level of the first source. What is the intensity level of the second so..
Suppose a simple pendulum is used to measure the acceleration due to gravity at various points on the Earth. find the corresponding variation in the period of the pendulum
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