A small toy airplane is flying in the xy-plane parallel to the ground. In the time...

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A small toy airplane is flying in the xy-plane parallel to the ground. In the time...

A small toy airplane is flying in the xy-plane parallel to the ground. In the time interval t=0 to t=10.0 s, its velocity as a function of time is given by υ⃗ =(1.30m/s2)ti^+[12.0m/s−(2.00m/s2)t]j^

1-At what value of t is the velocity of the plane perpendicular to its acceleration?

Express your answer to three significant figures and include the appropriate units.

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