Answer the following: During takeoff a jet aircraft goes from 0km/hr to 720km/hr

Question

Answer the following:
During takeoff a jet aircraft goes from 0km/hr to 720km/hr in 10 seconds
a. What is the initial speed of the Jet Aircraft during the takeoff? m/s
b. What is the final speed of the Jet Aircraft during the takeoff? m/s

10. Answer the following:
a. What is the average speed of the Jet Aircraft during takeoff? m/s
b. Calculate the distance covered by the Jet Aircraft during the takeoff? m
c. What is the acceleration of the Jet Aircraft during the takeoff? m/s2
d. Calculate the force acting on the Jet Aircraft during the takeoff? N

Explanation / Answer

initial speed =0 final speed = 72 x 5/18 = 20 m/s we have a=(v-u)/t = 20-0)/10 = 2m/s^2 distance covered s= ut+0.5at^2 =0+ 0.5x2x10^2 =100m avg speed = total distance /total time =100/10 = 10m/s acceleration a= 2m/s^2 force = mass x acceleration = mass of air craft x 2 =2x mass of aircraft N

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