An airplane flies eastward and always accelerates at a constant rate. At one position along its path, it has a velocity of 32.7 m/s . It then flies a further distance of 48500 m , and afterwards, its velocity is 44.7 m/s . Find the airplane's acceleration.

Respuesta :

Answer:

[tex]\quad[/tex]0.0095 m/sยฒ

Explanation:

We have,

  • Initial velocity (u) = 32.7 m/s
  • Final velocity (v) = 44.7 m/s
  • Distance travelled (s) = 48500 m

We are asked to calculate the airplane's acceleration.

By using the third equation of motion,

โž vยฒ - uยฒ = 2as

  • v denotes final velocity
  • u denotes initial velocity
  • a denotes acceleration
  • s denotes distance

โž (44.7)ยฒ - (32.7)ยฒ = 2 ร— a ร— 48500

โž 1998.09 - 1069.29 = 97000 ร— a

โž 928.8 = 97000a

โž 928.8 รท 97000 = a

โž 0.0095 m/sยฒ = a