Physics, 25.04.2021 01:10 williams5847
3. Observe a residential street for a half hour, and keep a log of potential hazards that you
notice (examples include children playing in the street or a vehicle backing out of a
driveway). If you were driving at the time, what actions would you take to reduce the risk ofpotential hazards? Answer the question by naming at least five potential hazards and writing
would avoid three of them in at least three complete sentences.
Answers: 2
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 22.06.2019 15:10
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
Physics, 22.06.2019 16:00
In which of the following is positive work done by a person on a suitcase
Answers: 1
3. Observe a residential street for a half hour, and keep a log of potential hazards that you
noti...
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