If a glass knocked off a table horizontally with a velocity of 7 ft/s and lands 2.5 feet from the table. What was the height of the table that it fell off?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation