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A simple pendulum uses a steel wire as the string. The length of this wire is 1.5 meter at room temperature. If the temperature is increased by 12.3oC, the length of the wire increases by 1.73 millimeter. Obtain the change in period of the pendulum?
Estimate the number of breaths taken by a human being during an average lifetime
You are given a slide with two slits cut into it and asked how far apart the slits are. You shine white light on the slide, What is the separation of the two slits
The plane of a flat, circular loop of wire is horizontal. An external magnetic field is directed perpendicular to the plane of the loop. The magnitude of the external magnetic field is increasing with time.
A 5.8 m diameter merry-go-round is rotating freely with an angular velocity of 0.90 rad/s. What is the angular velocity of the merry-go-round now
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 12.0 s. Ignore air resistance. What is the average mechanical power output of the engine
A wire of mass 0.030 kg is stretched between fixed supports a distance 1.10 m apart. If the tension in the wire is 790 N, what is the speed of a wave along the wire in m/s
four point charges have the same magnitude of 2.4 x 10-12 c and are fixed to the corners of a square that is 8.2 cm on
Dan is moving a duffel bag across a carpeted floor that weighs as much as he does (60kg). He pulls with a force of 200N to get the bag to start moving. What is the coefficient of static friction between the duffel bag and the carpet?
Wxe consider the harmonic oscillator in one-dimension. Write down the lowest energy (ground state) wavefunction. Verify that the wavefunction is normalized.
Two loudspeakers are placed at either end of a gymnasium, both pointing towards each other. The sound emitted by the speakers is in phase and are of frequency of 256 Hz.
In the winter, a thin film of ice (nice = 1.31) can form on a window (nglass = 1.50). Calculate the minimum thickness of the film
A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling
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