To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity.1. plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time t needed to take off?2.What is the distance d traveled by the plane in the first second of its run?3.What is the distance d traveled by the plane in the last second before taking off?

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Asked Sep 30, 2019
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To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity.

1. plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time t needed to take off?

2.What is the distance d traveled by the plane in the first second of its run?

3.What is the distance d traveled by the plane in the last second before taking off?

 

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Part (a) Given Inital veloit Accelesation, a = 5 mls Displatement S = 1800 m Using third inematic eguation of motin S= utat where, s s the displucement, ub intfal velocity a is accederatfon Cnd tis time

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Subsftuting te giren velues 1800m)= (oms)t +(5m) 2 (1800 m) (5mle t 12 5 S 26.83 S

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Part (b) Distance tavel by the plane fn the cluratfom t,=o and tz = 1s, Can be calculated usfng third kinematics eg uatfon of moffom. where nal velocity of plane U= 0 mls accelaraton a= 5mls2

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