3 Answered Questions for the topic Physical Science Help

Physical Science Help Math Science Physical Science

01/22/16

Physical science
A 42 N horizontal force pushes on a 3.9 kg mass resting on a horizontal surface. The surface exerts a friction force of 12N against the motion. The acceleration of the 3.9 kg mass is ___ m/s^2.
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Expert Answers •1
Physical Science Help Math Physical Science

01/22/16

Physical Science
If the engines of a jet produce a force of 130,000 N, the acceleration of a 33,000 kg aircraft during takeoff is ___m/s^2.            
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Expert Answers •1
Physical Science Help Physical Science

01/22/16

Physical Science with Math
An 75 kg man starts from rest and after 1.45 seconds is running at a speed of 14.0 m/s. The force needed for this man to get up to this speed in 1.45 seconds is ___N.
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Expert Answers •1

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