Physics, 15.07.2020 08:01 ayoismeisalex
B) An object is attached to a spring executes a Simple Harmonic Motion (SHM) according
to an equation of position, x with a function of time in second as given below:
x(t) = [8.8 cos (8 t)] m
i.
Find the amplitude,
Find the frequency in Hertz, Hz
Find the position, x at time, t= 88 s and
iv. Find the maximum velocity
Answers: 2
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By what primary heat transfer mechanism does the sun warm the earth?
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Aparticle of mass m is placed in a one-dimensional box of length l. the box is so small that the particle’s motion is relativistic, so that e p2/2m is not valid. (a) derive an expression for the energy levels of the particle using the relativistic energy–momentum relation and the quantization of momentum that derives from connement. (b) if the particle is an electron in a box of length l 1.00 1012 m, nd its lowest possible kinetic energy. by what percent is the nonrelativistic formula for the energy in error?
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The first law of thermodynamics is as follows: ∆u=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
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Orque can be calculated by multiplying the force (n) applied at 90∘ to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n⋅m. if the force (at 90∘ to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
Answers: 2
B) An object is attached to a spring executes a Simple Harmonic Motion (SHM) according
to an equati...
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