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From rest, a car accelerates to 4.2 m/s2 for 10 seconds before winning the race. How far did it run? Write the final answer in complete sentence.
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From rest, a car accelerates to 4.2 m/s2 for 10 seconds before winning the race. How far did it run?

Write the final answer in complete sentence.

User WieeRd
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1 Answer

24 votes
24 votes

Answer:


s = ut + (1)/(2) a {t}^(2) \\ u = 0 \\ a = 4.2 \: m {sec}^( - 2) \\ t = 10sec \\ s = 0 + (1)/(2) (4.2) {10}^(2) \\ = 1.2 * 100 \\\boxed{ s = 120 \: m}

User Suzann
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