A block (mass 5 kg ) sits at rest. A second block (mass 10 kg ) collides with the first block, initially moving with a speed of 12 m/s just before the collision. After the collision, the two blocks stick together, and they slide for 4 s across a rough surface before coming to a stop. What was the magnitude of the average force of friction acting on the blocks after the collision?
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What is meant by the statement" the melting poin of glycerine is 13 degree celsius
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Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.
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Geologists get to play with chemistry, physics, and history! and what a history you will meet as youwork your way through the course. starting at the beginning, the textbook provides the scientifically acceptedstart of the and promises that you'll get to explore some of the evidence for that scientific view, later inthe semester. meanwhile, which is more nearly correct of the scientifically accepted view? a) the earth formed when the big bang caused older materials to fall together, about 14 billion years ago. b) the earth formed from the falling together of older materials, about 4.6 billion years ago. c) the earth formed in the big bang, about 6000 years ago. d) the earth is eternal, having been here forever and promising to be here forever. e) the earth was assembled by gigantic space beavers, which gnawed down the primordial tree of life andpiled its branches together to form the planet.
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A block (mass 5 kg ) sits at rest. A second block (mass 10 kg ) collides with the first block, init...
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