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Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
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Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
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Physics, 23.06.2019 08:40, arilions
Ascientist is working with a new kind of quantum dot to make a dye. he is applying newtonâs laws to the particle, but it seems to be breaking these laws of physics. which action will most likely the scientist study the particleâs motion? a. he needs to remember that the particle is too large for quantum analysis. b. he must continue to use newtonian mechanics, but he needs to learn more about the particle. c. he needs to use quantum mechanics, not newtonian mechanics, because this is a nanotechnology product. d. he must determine new physical laws that only apply to quantum dots.
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Aaron, from question 1. turns to walk back to
the house. Halfway up the driveway he gets
a te...
a te...
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