How much total surface of the moon is illuminated by the sun when it is at quarter phase?

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?