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How does the date change when one crosses the IDL? What periodic motion is used as a reference for our year? Describe the apparent north-south motion of the overhead Sun throughout the year. What causes this?
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
Light rays in a material with index of refraction 1.29 can undergo total internal reflection when they strike the interface with another material at a critical angle of incidence. Find this material\'s index of refraction
What is the maximum distance the spring will be stretched
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
a simple harmonic oscillator has a mass m0 on a spring of force constant k. the system is damped. it takes 10 cycles
Water issues from a pipe into the atmosphere as a vertical free jet. if the velocity at the pipe eit is 6m/s, calculate the jet height. Assume fluid friction to be negligible.
A sphere of mass 1.0x10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 12 with the vertical. Find (a) the magnitude of that push and (b )the tension in the cord.
a billiard ball ,moving at 75cm/s hits an identical ball initially at rest and glances off at 75degrees to the original direction with a speed of 30 cm/s
The refractive index of a transparent material can be determined by measuring the critical angle when the solid is inair. If θc= 40.8° what is the index of refraction of the material?
Choose one part of the photo-electric experiment that cannot be explained by assuming that light is a wave. Why do we need the concept of light as a particle?
An electron beam is deflected upward through 2.5 mm while traveling in a vacuum between two deflection plates 12.4 mm apart, What is the kinetic energy of each electron
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