The purpose of a battery in a circuit is to

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

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

The necleus of an atom is made up of what subatomic particles?