)what is kinetic energy, and how does it differ from potential energy?

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

Which type of energy is transferred by convection currents?

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?