Need help answering last question Course Contents Differential Equations and Int

Question

Need help answering last question Course Contents Differential Equations and Integrals Acceleration Acceleration An airplane accelerates from rest at the beginning of the runway with a(t) = ao (1-exp(-kt)) where do-4.9 m/s2 and k-0.07 1/s What is its acceleration after 10 seconds? 2.47 m/s 2 ou are correct. Your receipt no. is 152-8712 What is its speed after 10 seconds? Be careful that your airplane indeed starts from rest! You will need an integration constant! 13.8 m/s You are correct. Your receipt no. is 152-1015 How far down the runway is it after 10 seconds? Be careful that your airplane indeed starts at position zero 592 6m Submit Answer Incorrect. Triles 4/12 Prevlous Triea Tries 4/12 Prevlous Tries

Explanation / Answer

(c)

acceleration after 10 s,

a = 2.47 m/s^2

From kinematic equation,

s = ut + (1/2)at^2

s = 0 + (1/2)*2.47*10^2

s = 123.34 m

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