Suppose you increase your walking speed from 7 m/s to 11 m/s in a period of 1 s. what is your acceleration?

The harmonic motion of a particle is given by f(t) = 2 cos(3t) + 3 sin(2t), 0 ? t ? 8. (a) when is the position function decreasing? (round you

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1