A scientific satellite of mass 1300 kg orbits Mars 200 km above its surface. If Mars has a radius of 3396 km, what is the force of gravity acting on the scientific satellite?

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

True or false: the revolution of the earth creates day and night as it rotates around the sun

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.