Which of the following statements are true?
a. A satellite's motion is independent of its mass.
b. The launch speed of a satellite determines the shape of its orbit around Earth.
c. A geosynchronous satellite has a period of approximately 28 days.
d. A satellite's velocity and orbital radius are independent of each other.

Blank liquids and gases exert a buoyant force on objects placed in them

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s