An earth satellite moves in a circular orbit 708 km above the earth's surface. The period of the motion is 98. 7 min. (a) what is the speed of the satellite?.

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

If element x has 99 protons how many electrons does it have