The measure of the distance an object travels in a certain length of time is the object's a) direction. b) energy. c) position. d) speed.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false