A 6.0 N weight on a rough surface with coefficients of static and kinetic friction equal to 0.22 and 0.20, respectively, is initially moving in the +i direction with a speed v = 0.40 m/s. A rope attached to it is pulled in the -i direction with force F = 0.30 N. Find the weight's acceleration, and how far it moves before stopping. (A) -0.23î m/s², 0.030 m (B) -2.45î m/s², 0.033 m (C) +2.45å m/s², 0.030 m (D) +1.7i m/s², 0.038 m (E) -2.1å m/s², 0.038 m
A 6.0 N weight on a rough surface with coefficients of static and kinetic friction equal to 0.22 and 0.20, respectively, is initially moving in the +i direction with a speed v = 0.40 m/s. A rope attached to it is pulled in the -i direction with force F = 0.30 N. Find the weight's acceleration, and how far it moves before stopping. (A) -0.23î m/s², 0.030 m (B) -2.45î m/s², 0.033 m (C) +2.45å m/s², 0.030 m (D) +1.7i m/s², 0.038 m (E) -2.1å m/s², 0.038 m
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Transcribed Image Text:A 6.0 N weight on a rough surface with coefficients of static and kinetic friction equal to 0.22 and 0.20, respectively,
is initially moving in the +i direction with a speed v = 0.40 m/s. A rope attached to it is pulled in the -i direction
with force F = 0.30 N. Find the weight's acceleration, and how far it moves before stopping.
(A) -0.23î m/s², 0.030 m
(B) -2.45i m/s², 0.033 m
(C) +2.45i m/s², 0.030 m
(D) +1.7î m/s², 0.038 m
(E) –2.1î m/s², 0.038 m
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