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
HEL MEHH PL

one of the central themes of edward abbey's work has been his staunch opposition to the glen canyon dam on the colorado river that created lake powell, destroying stunning scenery and wildlife habitat, endangering many rare species of fish and animals, and also irreparably destroying many important archaeological sites which provided information about the early inhabitants of the united states.