The first space craft to drop a weather probe into jupiter's atmosphere was

What happens to light waves from a star as the star moves away from earth?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?