What is the total energy of the roller coaster?
g=10m/s2

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Phase changes are chemical changes. true or false

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.