An earth satellite has its apogee at 3000 km above the surface of earth and perigee at 600 km above the surface of earth. at apogee its speed is 750 m/s. what is its speed at perigee? earth’s radius is 6370 km. round your answer to one decimal place.

What is the scientific definition of energy that relates to work

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.