What is the mass of a rock if a number 12 n unbalanced force acting on it causes the rock to accelerate at 4 m/s^2 a. 0.33 kg b. 3 kg c. 48 kg

When a pendulum is held high and taut and then is released, the pendulum begins to swing. what’s the correct order of the energy transformations in this example? (pe stands for potential energy.)