you jump down on a trampoline and fly up into the air as a result

Which two objects have the greatest gravitational force acting between them

What are the north and south poles of a solenoid change with?

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance