Avertical solid steel post of diameter d = 26cmand length l = 2.40m is required to support a load of mass m = 7800kg . you can ignore the weight of the post. take free fall acceleration to be g=9.8m/s2.part awhat is the stress in the post? express your answer using two significant figures. part bwhat is the strain in the post? express your answer using two significant figures. part cwhat is the change in the post's length when the load is applied? express your answer using two significant figures.
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In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.
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The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
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Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
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Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
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Avertical solid steel post of diameter d = 26cmand length l = 2.40m is required to support a load of...
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