Physics, 18.03.2021 02:50 bobtothemaxthe1st
1) A mass of 90g is placed on top of a vertical spring with a spring constant of 310N/m. The spring is
then compressed further, by an outside force, by 11.4cm. The spring is released and the object is then
propelled upward. Use conservation of energy to solve.
a) What is the maximum velocity of the mass after it separates from the spring?
Answers: 1
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You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
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Physics, 22.06.2019 14:50
Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
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Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
1) A mass of 90g is placed on top of a vertical spring with a spring constant of 310N/m. The spring...
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