Length of two cylinders are measured to be l1 = 5.62 +/- 0.01cm and l2 = 4.34 +/- 0.02cm.
calculate difference in error and error limit.

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

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

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?