Suppose the sun were suddenly to shrink in size but that its mass remained the same. according to the law of conservation of angular momentum, what would happen?

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.

The center of the milky way most likely contains a. empty space. b. a red giant star. c. a globular cluster. d. a supermassive black hole.

Will give brainpower answer if answered all correctly!