The space shuttle undergoes an acceleration of 53.9 m/s2. how fast is it traveling at the end of 55.2s

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

What does the law of conservation of mass state?

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?