Earths gravity pulls down on a skydiver with 845 N of force. What is the magnitude of the force of gravity on the skydiver?

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

The mini-refrigerator fire was most likely caused by what type of wiring?

Positrons are spontaneously emitted from the nuclei of