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In which of the following scenarios does acceleration occur?
A child gets on a bicycle and begins pedaling down the sidewalk.
B. Awoman walks toward a grocery store then turns around and walks bac
C. A car moving up a road slows down and stops at a red light.
D. all of these

Respuesta :

Answer:

D

Explanation:

all of these need acceleration to happen. If there is no acceleration then everything would be sitting where it started. so to get from point a to point b you need to be accelerating.

The correct answer is all of these. The first one has positive acceleration, and the last two have negative acceleration.