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Find the minimum diameter of an l = 19.3 m long steel wire that will stretch no more than 8.20 mm when a mass of 304 kg is hung on the lower end. (Hint: The Young's modulus of steel is 200.0 GPa.)
A 50 kg child jumps into a small pool of water through a distance of 3 m and aquires 1000 J of kinetic energy. Assuming all of this energy goes into heating 10 kg of water in the pool, what is the change in temp of the water?
ms.smith is planning her classroom. she knows she has approximately 12 linear meters of available wall space. she likes
question a typical nuclear fission power plant produces about 1.00 gw of electrical power. assume the plant has an
A 10 kg block is sitting motionless next to a spring that has a spring constant of 500 N/m. How far is the spring compressed while you are still holding it
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
question1it has been claimed that an insect known as froghopper philanenus spumarius is the best jumper in animal
Estimate the minimum absolute pressure (in pascals) that can be developed at the inlet of a pump to avoid cavitation if the fluid is carbon tetrachloride at 20 celsius
In a Young's double-slit experiment with electromagnetic radiation that is not necessarily visible, What kind of radiation is being used
A man stands on a frictionless platform that is rotating with an angular speed of 2.3 rad/s; his arms are outstretched and he holds a weight in each hand. what is the resulting angular speed of the platform
two narrow slits 50 microns apart are illuminated with light of wavelength 500nm. what is the angle of the m 2 bright
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
a 45kg box is pulled across a horizontal floor. a rope attached to the box makes an angle of 30 degrees with the
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