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Consider a pendulum bob of mass 0.01 g suspended by a massless string of length L = 12 cm. The bob in this case (for small oscillations) will behave as if it were a simple harmonic oscillator with w = root g/L. According to equation Q7.16, the lowest possible energy E0 of such a harmonic oscillator is still nonzero. What is the pendulum's classical amplitude of oscillation when it has the lowest possible quantum energy? Do you think that it would be easy to detect these oscillations?
What is the minimum work needed to push a 950kg car 810m upalong a 9.0 degree incline
Consider a circuit with two resistors in parallel; R1=10 Ohm and R2=5 Ohm, Calculate the total current flowing through the battery
In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 365 N..
If you are given a velocity versus time graph, and v initial is given, how do you calculate instantaneous acceleration
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 400 kg. Find the kinetic energy stored in the flywheel
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0437 s, determine the vertical components of the launch velocity
47 kilogram uniform rod 4.80 meter long is attached to a wall with a hinge at one end. determine how far from the wall can a 67.0 kilogram person sit without breaking the wire
a uniform electric field of magnitude 450 nc pointing in the positive x-direction acts on an electron which is
A brass rod is 48.7 cm long and an aluminum rod is 70.6 cm long when both rods are at an initial temperature of 0° C. The rods are placed in line with a gap of 0.7 cm between them.
question a student calculates the frequency of a waveform produced by a tuning fork to be 303 hz. if the tuning fork is
a rocket initially at rest on the ground accelerates straight upward from rest with constant acceleration 44.1ms2 . the
Describe the method used to measure the Sun's shadow and in the drawing on page 18 what are the letters b and d used for?
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