A satellite mobes in circular orbit around Earth at a speed 5000m/s. Determine (a) the satellite's altitude above earth's surface .

(b)the period of its evolution.

(c)acceleration due to gravity at the satellite.​

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

At what time will the interfering waves have an amplitudeof zero?