You should stop no closer than feet from a railroad crossing if a train is approaching.

Arescue plane flying horizontally at spots a survivor in the ocean directly below and releases an emergency kit with a parachute. because of the shape of the parachute, it experiences insignificant horizontal air resistance. if the kit descends with a constant vertical acceleration of, how far away from the survivor will it hit the waves?

Which statement best explains why an object weight less on mercury than it does on earth

When you turn on a battery-operated device, an electrical circuit is