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asheik234

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An airplane begins its takeoff sequence moving with a constant acceleration a. A passenger holds up a pocketwatch during the takeoff sequence and notices that the watch makes an angle θ = 14° with the vertical, and that 13.3 seconds pass before the plane leaves the runway.

(a) What is the plane's constant acceleration?(b) How far does the plane travel on the runway?2. Homework Equations

F = ma

3. The Attempt at a Solution

There is no given mass, I don't know how to find it without it.