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3 years ago

13

an airplane travels down a runway for 4.0 seconds with an acceleration of 9.0m/s. what is its change in velocity during this tim

e?

1 answer:

finlep [7]3 years ago

5 0

A=9m/s^2, u=0, t=4 secs
by the equations of motion
a = $\frac{v-u}{t}$
9 = $\frac{v}{4}$
∴v = 36m/s

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