Aprojectile is launched into the air with an initial speed of 40 m/s and a launch angle of 20° above the horizontal. the projectile lands on the ground five seconds later. neglecting air resistance, calculate the projectile’s range and draw a projectile path.

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.

What is a good example of instantaneous speed

For which pair of objects would adding the same a