24. What is the correct rearrangement of the formula for the period of a pendulum to find the length of the pendulum? T2 gT B. I= (2mr)2 D. = gT 2n 25. occurs when small forces are applied at regular intervals to a vibrating or oscillating object and the amplitude of the vibration increases. A. Reflection B. Resonance C. Small displacement D. Harmonic convergence 26. Resonance causes A. large amplitude oscillations B. oscillations to reach equilibrium c gravity to act upon a weight on a spring D. the net force in a simple harmonic motion to change direction