m/s Need Help?-men - Ay Naie A jet plane has a takeoff speed of Tordk and can mo

Question

m/s Need Help?-men - Ay Naie A jet plane has a takeoff speed of Tordk and can move along the runway at an average acceleration of 2.0 m/s2. If the length of the runway is 2.8 km will the plane be able to use this runway safely? Ne Defend vour answer. This answer has not been graded yet Need Help? Resd it A 50.0-g Super Ball traveling at 26.0 m/s bounces off a brick wall and rebounds at 21.5 m/s. A high- speed camera records this event. If the ball is in contact with the wall for 3.40 ms, what is the magnitude of the average acceleration of the ball durina this time interval? m/s2 Need Help? Euan My Noes Ak Your This question has several parts that must be

Explanation / Answer

here,

takeoff speed , v = 70 m/s

accelration , a = 2 m/s^2

let the length of runway needed be s

v^2 - u^2 = 2 * a * s

70^2 - 0 = 2 * 2 * s

s = 1225 m

length of runway , l = 2800 m

as s < l

Yes, the plane will able to use the runway safely

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