Aball rolls off a desk at a speed of 3 m/s and lands .40 seconds later. how far from the base of the desk does the ball land?

Apossible explanation for a set of facts that can be tested by further investigation is called

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.

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points