Question

What should happen to the overall speed of a coaster if you add more cars to it?

Group of answer choices

A. it will have more momentum

B. it will take longer to accelerate

C. it will have more mass

D. all of the the answers are correct
HELPPPP MEHH PLZZZZ

Answer 1

answer is b, mass doesn’t change with speed so it isn’t c or d, and momentum only takes effect when there would, for example, be a dip in the track.

Answer 2

it might be d

Step-by-step explanation: