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A supertanker filled with oil has a total mass of 11.7·108 kg. If the dimensions of the ship are those of a rectangular box 209 m long, 81.7 m wide, and 81.7 m high, determine how far the bottom of the ship is below sea level (?sea = 1020 kg/m3).
Speedboat A negotiates a curve whose radius is 124m. Speedboat B negotiates a curve whose radius is 230m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A sealed 88 m3 tank is filled with 4000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. find The final pressure of the gas
A 1 kg wheel (hoop) rolls 5 rev. across a horizontal surface (without slipping)a distance of 3.2 m. if the wheel rolls for 3 sec. determine the angular velocity of the wheel
A 180 g block on a 49 cm-long string swings in a circle on a horizontal, frictionless table at 74 rpm.
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
An Earth satellite has a speed of 28100 km/hr when it is at its perigee, 281 km above Earth's surface. Find the apogee distance
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. What is the electric field amplitude at a distance 1020 m away from the phone
A tortoise can run with a speed of 14.0 cm/s, and a hare can run 20 times as fast. In a race, What is the length of the race
To keep her dog from running away while she talks to a friend, Susan pulls gently on the dog's leash with a constant force given by F = (2.1 N ) ^x+ (1.5 N )^y, How much work does she do on the dog
Find the speed of water emerging from the hole if the leak is 2.9 below the surface of the water
A dog running in the +y-direction at 7.0 m/s hears its owner call from behind, Compute the dog's change in velocity
What is the charge on each electrode.
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