Hunk traveled 540 km at an average speed of 90 km/h. If tim completed the same amount of distance with 1 hour and 30 min less than hunk, what was tim's average speed for the whole journey?

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive