PL HELP I'LL MARK BRAINLIEST What happens to the gravitational force exerted by one object on another when the mass of the objects is doubled? (3 points)
a The gravitational force increases.
b The gravitational force remains the same.
c The gravitational force reduces by half.
d The gravitational force becomes one-fourth.

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Aregular polygon has angkes of size 150° each. how many side has the polygon

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.