A 12.0 kg ball is placed on a catapult. When the catapult releases it applies a pressure of 1598 N, what is the acceleration of the ball as it moves
through the air?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

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.