- #1

sb

(a) Determine the position of the airplane after 2.5 h of this motion.

(b) Find the average velocity of the airplave during the 2.5 h interval.

Thanks a Lot...

- Thread starter sb
- Start date

- #1

sb

(a) Determine the position of the airplane after 2.5 h of this motion.

(b) Find the average velocity of the airplave during the 2.5 h interval.

Thanks a Lot...

- #2

HallsofIvy

Science Advisor

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The "velocity vector" of the airplane relative to the ground is the hypotenuse of the right triangle you have just drawn. You can use the Pythagorean theorem to find the length of that: the speed of the airplane relative to the ground. You can use tan(theta)= 20/100 to find theta, the angle the airplane flies relative to north.

Multiply by 2.5 to find the position after 2 and 1/2 hours.

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