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Off the coast of Florida, the Gulf Stream has a speed of 4.6 km/h and it has a water flow rate of 2.2 x 103 km3/day.
(a) What is the rate of kinetic energy flowing past the coast in KW?
(b) If half of this power could be converted to electrical energy, how many kilowatts would be produced?
An observer, whose eyes are 1.81 m above the ground, is standing 31.8 m away from a tree. The ground is level, and the tree is growing perpendicular to it. How tall is the tree
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Calculate the charge on the surface o..
What is the speed of the train, and is the train traveling away from or toward the bicycle?
To withstand "g-forces" of up to 10 g's, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a "human centrifuge." at what speed is the rider moving when she experiences 10 g's
A cannon tilted up at a 33 degree angle fires a cannon ball at 64.0 m/s from atop a 26 meter high fortress wall. What is the ball's impact speed on the ground below
What is the horizontal distance x from the edge of the dock to the keys - A flashlight held directly above the dock edge and 0.50 m above the water illuminates the keys when it's pointed at 400 to the vertical.
A straight cylindrical wire lying along the x-axis has a length of 0.500 meter and a diameter of 0.20 millimeter. Determine the resistance of the wire
A man moves his head back and forth between the poles of a powerful magnet. He moves perpendicular to the field at a maximum speed of 150m/s. If he can taste on his tongue, an electric field of 10V/m, how powerful must the magnetic field be so tha..
Titanium dioxide (TiO2), with an index of refraction of 2.50, is one compound that is often used as a lens coating. Find the smallest thickness of TiO2 that will meet these requirements
In no less than 100 words- What are some of the "needs" people seek in joining groups as described in Ch. 3 of the text. Which of these needs motivated you to join a group?
An astronaut weighs 92.5 kg on earth. While floating in space he pushes the side of his spaceship with a force of 150 N for .20 seconds. Find the change of momentum of the astronaut
A blacksmith cools a 1.30- chunk of iron, initially at a temperature of 650.0, by trickling 15.6 water over it. How much water did the blacksmith trickle over the iron
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