If the student has a thermometer that detects differences of 1LaTeX: ^\circ∘C or greater, will they be able to measure a difference in temperature after adding the aluminum to the water?

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

In a system, when potential energy decreases, then entropy also decreases. true false

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.