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A Ceramic specimens is tested in a bending test. Its width=.50 and thickness = .25 inches. The length of the specimen between supports = 3.0 inches. Determine transverse rupture strength if the failure occurs at a load =1,250 lbs
The microwaves in a microwave oven are produced in a special tube called a magnetron. The electrons orbit the magnetic field at 2.4 GHz, what is the maximum electron kinetic energy
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
A rock weighing 400 N sits on the edge of a 60 m cliff. After falling 15 m how much kinetic energy does the rock have
A 3.00-kg block is dropped from rest on a vertical spring whose spring constant is 750 N/m. How far is the spring compressed
A 2 kilogram mass is released from rest and slides down an inclined plane of 60o a distance of 1 m. It strikes a 250 N/m spring. Evaluate what is the maximum compression of a spring
A cargo plane in flight lost a package because somebody forgot to close the rear cargo doors. You are on the team of safety experts trying to analyze what happened, Calculate the time at which the package fell off the back ramp
A straight bar of solid rectangular cross section and one of solid round cross section are subjected to tensile, bending, and torsional loads. Surface stresses are to be computed for each load and each bar. Discuss briefly any inherent limitations..
A glass surface (n = 1.65) has a layer of water (n = 1.33) on it. Light in the glass is incident on the glass-water interface. Find the critical angle for total internal reflection
A light ray reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a particular point on the opposite wall (see figure below). The bottom end of the mirror is then tilted slightly away from the wall so that the mirr..
Archimedes principle can be used to calculate the density of a fluid as well as that of a solid. Calculate the fluids density
Determine the velocity and time of flight of a projectile shot from a spring loaded gun. Known values x=3.13m distance travelled. y=1.09m height of spring
All our houses are wired in parallel. Below is an example of a simple household circuit with 3 equal light bulbs. Find what is the current running through each bulb
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