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Galina-37 [17]
2 years ago
13

A. State whether the acceleration is positive, negative or zero for each section in the speed versus

Physics
1 answer:
bazaltina [42]2 years ago
5 0

Answer:

a=positive

b=0

c=positive

d=negative

Explanation:

a=acceleration depends on the speed and time. if the speed and time are increasing at the same rate, the acceleration value will be positive as the vehicle is speeding up.

b=the speed and time are not increasing, therefore the vehicle is either stationary or travelling at a steady pace.

c=same explanation as a

d=the speed and time are not increasing at the same rate as the speed is decreasing. this means that the car is slowing down

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