A airplane that is flying level needs to accelerate from a speed of 2.00 × 10² m/s to a speed of
2.40 × 10² m/s while it flies a distance of 1.20 km. What must be the acceleration of the plane?

Question

Quizplus · Accepted Answer

We can use the formula vf^2 = vi^2 + 2ad, where vf = final velocity, vi = initial velocity, a = acceleration, and d = distance traveled. Rearranging this equation to solve for acceleration, we get a = (vf^2 - vi^2) / 2d. Plugging in the given values, we get a = ((2.40 × 10^10)^2 - (2.00 × 10^10)^2) / (2 × 1.20 × 10^3) = 7.33 m/s^2. Therefore, the answer is C.

A Airplane That Is Flying Level Needs to Accelerate from a Speed