Aplane is flying east at 115 m/s. the wind accelerates it at 2.88 m/s^2 directly northwest. after 25.0s, what is the magnitude of the velocity of the plane?

81.8 m/s

Explanation:

The initial velocity of the plane is:

(toward east)

So, decomposing along the x- and y- directions:

(we took east as positive x-direction and north as positive y-direction)

The acceleration is

(northwest, so the angle with the positive x-direction is 135 degrees)

Decomposing it along the two directions:

So the two components of the velocity after a time t = 25.0 s will be

So, the magnitude of the velocity of the plane will be

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this