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After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2

Sagot :

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Answer:

5.55 m/s²

Explanation:

  • Initial velocity = 0
  • Final velocity = 120 km/hr = 33.3 m/s
  • Displacement = 100 m

Using Third law of Motion :-

[tex]\longrightarrow [/tex] 2as = v² - u²

[tex]\longrightarrow [/tex] 2*a* 100 = (33.33 m/s)²-0²

[tex]\longrightarrow [/tex] a = 200a = 1110.89

[tex]\longrightarrow [/tex] a = 1110.89/200

[tex]\longrightarrow [/tex] a = 5.55 m/s²

  • Symbols have their usual meaning .

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