A 320-g air track cart traveling at 1.25 m/s suddenly collides elastically with a stationary 270-g cart. What is the speed of the 270-g cart just after the collision

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k