Which universal force acts on protons and neutrons in an atom’s nucleus? a. electric force b. magnetic force c. strong nuclear force d. gravitational force

Rocío strikes a 0.058-kg golf ball with a force of 272n and gives it a velocity of 62.0m/s. how long was ricío club in contact with the ball?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2