Physics, 17.01.2020 00:31 avengegaming7
At room temperature, sound travels at a speed of about 344 m/s in air. you see a distant flash of lightning and hear the thunder arrive 8.0 seconds later.
part a) how many miles away was the lightning strike? (assume the light takes essentially no time to reach you.)
Answers: 1
Physics, 22.06.2019 19:50
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n โ โ n (9.8)(45โ3 xi) i = 1 ฮดx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
Answers: 3
At room temperature, sound travels at a speed of about 344 m/s in air. you see a distant flash of li...
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