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Two vehicles approach an intercetion at right angles and collide. If vehicle #2 has a mass of 600kg, vehicle #1 has a mass of 300kg, and they are both travelling at 13 m/s before the collision, what is the magnitude and direction of the final velocity of the combine wreck? I know the answer is 63.435 degrees north of east...i just dont know how to get there.
Follow these steps to solve this problem: Two identical loudspeakers, speaker 1 and speaker 2, are 2.0 m apart and are emitting 1700-Hz sound waves into a room where the speed of sound is 340 m/s. Compute the path-length difference r
A high-voltage transmission line with a resistance of 0.28 omegacap.gif/km carries a current of 1040 A. What fraction of the transmitted power does this loss represent
A rocket is fired straight up and accelerates upward at 20 m/s2 for 12 seconds. What is the rocket's maximum altitude
A 91kg water skier floating in a lake is pulled from rest to a speed of 12 m/s in a distance of 25 m.What is the net force exerted on the skier, suppose his acceleration is constant.
The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. how high is the hotel room from the ground
How many electrons would need to be transferred in order to balance these two forces?
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.27 m/s. What is his speed when he catches up
What is the de Broglie wavelength of a neutron that has fallen 0.80m in a vacuum chamber, starting from rest
A 14.2-g piece of Styrofoam carries a net charge of -0.69 µC and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface. What is the charge per unit area on the plastic..
On a frozen pond, a 13.1 kg sled is given a kick that imparts to it an initial speed of v0 = 2.42 m/s. find the distance the sled moves before coming to rest
two blocks connected by a light cord over a pulley. This apparatus is known as an Atwood's machine. what is the speed of the lighter block
A crankshaft with a diameter of 3.0 cm , rotating at 2500 rpm comes to a halt in 1.50 s, What is the tangential acceleration of a point on the surface of the crankshaft
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