2 years ago

HELP ME, I'M BEING TIMED

Physics

2 answers:

m_a_m_a [10]2 years ago

7 0

Answer:

i think c

Explanation:

because cars run on mechanical energy and solar powered means its by the sun which is light energy

Alborosie2 years ago

5 0

I think it’s B. But I’m not fully sure

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A drag racer starts her car from rest and accelerates at 5.5 m/s2 for the entire distance of 523 m. How long did it take the car

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Answer:

t = 13.7 s or t = 14 s with proper significant figures

Explanation:

The initial speed is 0 m/s since the car starts from rest, acceleration is 5.5 m/s2 and distance is 523 m.

Since we have initial speed, acceleration and distance we can use the following formula to find the time. We can now use algebra to work out our answer.

d = vt + $\frac{1}{2}$ at²

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13.7 s = t

(t = 14 s with proper significant figures)

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2 years ago