Question

An aeroplane accelerates uniformly from an initial velocity of 100 m.s-1 to a velocity of 200 m.s-1 in 10 seconds. It then accelerates uniformly to a final velocity of 240 m.s-1 in 20 seconds. Let the direction of motion of the aeroplane be the positive direction.
(a) Calculate the acceleration of the aeroplane during the first 10 seconds of the motion

(b) Calculate the distance the plane travels in the first 10 seconds

(c) Calculate the acceleration of the aeroplane during the next 20 seconds of its motion.​

(d) Calculate the distance the plane travels in 20 seconds

Answer 1

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