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Suppose that you find in a reference book that the volume of all the oceans is 1.4×109km3 1.4×109km3. To find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. What is this volume in cubic meters?
Express your answer in cubic meters.
a bar of mass m = 0.260 kg that can slide without friction on a pair of rails separated by a distance = 1.20 m and located on an inclined plane that makes an angle ? = 29.0° with respect to the ground. With what constant speed v does the bar slide ..
Find the number of turns on the secondary and if the fax machine at idle draws enough current to dissipate 6 W, find the current that must flow in the primary.
the magnetic field of the earth can be modeled as being caused by a giant bar magnet lying along the earths axis. if
A proton (q = 1.60×10?19C , m = 1.67×10?27kg)moves in a uniform magnetic fieldB? =( 0.490T )i^. What is the magnitude of the magnetic force acting on the proton
The position of the spindle DE of a lift truck is partially controlled by two identical linkage-and-hydraulic-cylinder systems, only one of which is shown. A 3000-lb spool of electric cable is held by the spindle in the position shown. Knowing tha..
X-rays having an energy of 300 keV undergo Compton scattering from a target. The scattered rays are detected at 37.0° relative to the incident rays. find the energy of the recoiling electron
A of 0.107 kg · m2 about its axis of rotation. A 33.5 g piece of clay is thrown at the vane and sticks to it at a point 18.5 cm from the axis. The initial velocity of the clay is 20.5 m/s, directed perpendicular to the vane.
Two cars with equal mass collide head on. One car is going 18 mph. That car is push backward about 38 feet. What is the speed of other vehicle.
At a recent rock concert, a dB meter registered 110 dB when placed 2.00 meters in front of a loudspeaker on the stage. Calculate the output power of the speaker
The Bohr model of the hydrogen atom pictures the electron as a tiny particle moving in a circular orbit about a stationary proton. Determine the electron's centripetal acceleration
a wire is formed into a circle having a diameter of 15.0 cm and placed in a uniform magnetic field of 2.90 mt. the wire
What is the magnitude of the momentum of the scattered photon?
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