In simple harmonic motion, the magnitude of the acceleration is greatest when the:
1. displacement is zero
2. displacement is maximum
3. none of these
4. velocity is maximum
5. force is zero

2. displacement is maximum

Explanation:

This makes sense as the spring is stretched the farthest at this point

F = kx

The largest force makes the largest acceleration.

specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

explanation:

more than, less

less than, more