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In which of the following cases does a body decelerate or have negative acceleration?
A. A stalled truck.
B. A motorcycle speeding up as it starts.
C. A car rounding a curve with a constant speed.
D. A runner slowing down upon reaching the finish line.

(NEED KO NA PO ASAP)​

Sagot :

A

because a stalled truck is not moving meaning there is no acceleration