Explain how we know that Earth's south magnetic pole is located in northern Canada, about 1500 km from the geographic north pole.

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.

Which statements did both aristotle and ptolemy assume? check all that apply.