Can you ever hold your Moon sphere in the light and have it be more or less than half-lit?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?