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The vibration of a diatomic molecule can be modeled as a simple harmonic oscillator. The values for the mass and force constant are 10^-26 kg and 10^3 N/m, respectively. This will work as long as the temperature is sufficiently low (assume it is in the ground state). What is a reasonable estimate of the temperature necessary?
What diameter has the tip of the minute hand with 100mil/hr tangential speed? Illustrate what diameter has the tip of the hour hand with 100mil/hr speed?
A uniform electric field of magnitude 435 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
A particular engine has a power output of 4.00 kW and an efficiency of 23.0%. Assume the engine expels 7000 J of energy in each cycle. Find the energy absorbed in each cycle
A stalactite on the roof of a cave drips water at a steady rate to a pool 3.8 below. What is the velocity of the second drop when the first drop hits the pool
A 3.10-m-long, 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 73.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
The Big Bang theory states that the beginning of the universe was accompanied by a huge burst of photons. Calculate the peak wavelength of this radiation
A converging lens with a focal length of 6.20cm forms an image of a 3.80mm-tall real object that is to the left of the lens. Where are the object and image located
One of the strange particles observed in early bubble chamber experiments was Ξ, called the “cascade” particle. It was produced in the reaction,
A 47 kg person, standing 0.980 m from the axis, begins to run on the disk in a circular path and has a tangential speed of 3.10 m/s relative to the ground. Find resulting angular speed (in rad/s) of the disk.
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
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