1. A car speeds up from 10.0 m/s to 45.0 m/s in 4.0 s. What is its acceleration? In your response, show your work, the given and unknown quantities, the equation, and any necessary algebra. Express your answer with the correct number of significant digits.

Question

Alyvia Molina

Physics

26 January, 09:01

1. A car speeds up from 10.0 m/s to 45.0 m/s in 4.0 s. What is its acceleration? In your response, show your work, the given and unknown quantities, the equation, and any necessary algebra. Express your answer with the correct number of significant digits.

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Answers (1)

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Christine Yu · Answer 1

So the cars change is speed is 35m/s (45m/s - 10m/s) and has taken 4s to do so.

acceleration is measured in m/s^2 or (m/s) / s,

to calculate the acceleration = change is speed / time take in this case:

35/4 = 8.75m/s^2