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Starting from rest, a 10kg suitcase slides down a 3.00m long ramp inclined at 30 degrees from the floor. The coefficient of fri...Asked by Harris
Starting from rest, a 10.0 Kg suitcase slides down a 3.00m long ramp inclined at 30.0 degrees from the floor. The coefficient of friction between the suitcase and ramp is .35. A: what net force is applied to suitcase while it is on the ramp? B: what is the change in the kinetic energy of the suitcase as it slides down the ramp? C: how fast is it traveling when it reaches the bottom of the ramp?
Answers
Answered by
bobpursley
Net force down=gravity-friction
= mg*sinTheta-mg(mu)cosTheta
changeKE=finalKE-initial KE
= netforce*distance
1/2 m vfinal^2=changeKE
= mg*sinTheta-mg(mu)cosTheta
changeKE=finalKE-initial KE
= netforce*distance
1/2 m vfinal^2=changeKE
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