An airplane traveling 245 m/s east experienced turbulence, so the pilot decided to slow down to 230 m/s. it took the pilot 7 seconds to get down to this speed. what is the acceleration of the plane? (round your answer to the nearest integer.) a.–2 m/s2 b. 2 m/s2 c. 67 m/s2 d.–67 m/s2

Use the formula for acceleration:

a = Δv ÷ Δt

This is the same as:

a = ( v₂-v₁ ) ÷ Δt

Substitute values into equation and solve.

a = (230 m/s [E] - 245 m/s [E] ) ÷ 7 s

a = -15 m/s [E] ÷ 7 s

a = -2.1428 m/s² [E]

Therefore the acceleration of the plane is -2 m/s² [E].

A.–2 m/s2

Explanation:

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answer: a. same unit

explanation: