Physics, 23.01.2020 18:31 jhaveen8335
Awoman is reported to have fallen 161 ft from a building, landing on a metal ventilator box, which she crushed to a depth of 29 in. she suffered only minor injuries. ignoring air resistance, calculate: (a) the speed of the woman just before she collided with the ventilator and (b) her average acceleration while in contact with the box. (c) modeling her acceleration as constant, calculate the time interval it took to crush the box.
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Give an example in which the electrical energy changes to light energy
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22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
Awoman is reported to have fallen 161 ft from a building, landing on a metal ventilator box, which s...
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