A car starts from rest with an acceleration of 5.0 m / s² and travels a distance of 1.0 km. What is the speed value of this car?

1 answer
Question:

A car starts from rest with an acceleration of 5.0 m / s² and travels a distance of 1.0 km. What is the speed value of this car?

Answers

Answer:100 m/sExplanation:We'll begin by converting 1 km to m. This can be obtained as follow:1 km = 1000 mFinally, we shall determine the final velocity of the car. This can be obtained as follow:Initial velocity (u) = 0 m/sAcceleration (a) = 5.0 m/s²Distance (s) = 1000 mFinal velocity (v) =? v² = u² + 2asv² = 0² + (2 × 5 × 1000)v² = 0 + 10000v² = 10000Take the square root of both side v = √10000v = 100 m/sTherefore, the speed value of the car is 100 m/s.

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