What would happen to mars (orbiting around the sun, obviously) if its tangential velocity was reduced
to zero.
a. it would still continue to orbit the sun
b. it would escape the sun's gravity and travel out of the solar system
c. it would eventually crash into the sun
d. none of the above

It would eventually crash into the Sun

Explanation:

If the mars is orbiting around the sun, the gravitational force of attraction is between the sun and mars supply the necessary force required for the centripetal motion.

If a planet is in centripetal motion, it is constantly falling towards the sun with the acceleration equal to the gravitational strength at that point.

If the centripetal acceleration of the planet is removed, still the planet would accelerate linearly falling towards the sun.

Hence, if the planets tangential velocity was reduced to zero, It would eventually crash into the Sun

a, c, d, e are all applying about success strategies.

heats surface water up