 
Arturo O. answered  11/19/19
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Use Newton's 2nd law.
F = ma
a = F/m = (6.6 N) / (4.0 kg) = ? m/s2
The net external force on the propeller of a 4.0 kg model airplane is 6.6 N forward.
What is the acceleration of the airplane?
 
Arturo O. answered  11/19/19
Experienced Physics Teacher for Physics Tutoring
Use Newton's 2nd law.
F = ma
a = F/m = (6.6 N) / (4.0 kg) = ? m/s2
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