PH-146

Resultant force and F = ma

Physics · Secondary 3 · Medium · Resultant force and F = ma

A 60000 kg plane is accelerated along a runway by a thrust of 180000 N. The total air resistance and friction opposing the motion is 30000 N. What is the acceleration of the plane?

$2.5\,\text{m/s}^2$
$0.50\,\text{m/s}^2$
$3.0\,\text{m/s}^2$
$4.0\,\text{m/s}^2$

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