Two cars collide at right angles. car 1 (mass 1,100 kg) is going north with a speed 31 m/s. car 2 (mass 1,200 kg) is moving east with a speed 19 m/s. the cars stick together after the collision. what is the magnitude of the velocity of the cars after the collisions? what angle does the velocity vector make with the x axis?
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Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
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What is the single most important equation in all of physics?
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Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
Two cars collide at right angles. car 1 (mass 1,100 kg) is going north with a speed 31 m/s. car 2 (m...
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