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lorasvet [3.4K]
4 years ago
11

A car rolls down a ramp. What is the force acting on the car that causes the movement down the ramp? A) acceleration B) centripe

tal C) friction D) gravity
Chemistry
1 answer:
Ann [662]4 years ago
7 0
The answer for the question is D.
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Answer:

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Explanation:

Given parameters:

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 Unknown:

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Let us find the number of hours an average American spends on their phone per year;

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Now, if they lived for 77.7yrs;

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