Physics, 07.01.2020 05:31 natalymorales96
True or false. recent findings lend strong support to the theory that a black hole lies at the center of the milky way and of many of the 100 billion other galaxies estimated to exist in the universe.
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Physics, 22.06.2019 16:40, Crxymia
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
Physics, 22.06.2019 19:30, VonneB1684
Which describes increasing the efficiency of energy resource
Answers: 1
True or false. recent findings lend strong support to the theory that a black hole lies at the cente...
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