If Neptune's mass were reduced, what could be done to maintain the same forcerof gravitational attraction between Neptune and the Sun?
*

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

there are no components of a physical goal mentioned on the list of choices that you've provided.

b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.