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A simple pendulum has a length of 2.1 meter and is pulled a distance y = 0.19 meter to one side and then released. (Assume small angle.)
(a) Evaluate the speed of the pendulum when it passes through the lowest point on its trajectory?
m/s
(b) Find its acceleration in the direction along its circular arc when it passes through the lowest point on its trajectory?
m/s2
A proton with a kinetic energy of 3GeV is travelling in the synchrotron. Assume the synchlotron can be considered as a set of dipole magnets with a uniform magnetic field B arranged in a circular orbit (radius r = 100m).
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an unstable particle at rest breaks up into two fragments of unequal mass.the mass of the lighter fragment is equal to
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The second orbit for the only electron in a He+ ion has a radius of 5.29 X 10^-11 m. What is the speed of an electron in that orbit
Two nanowires are separated by 1.0 nm as measured by STM. Inside the wires the potential energy is zero, Estimate the probability that the electron passes from one wire to the other
For an observer looking at a small ball in an inertial reference frame (IRF) which of the following statements is true?
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