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A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0

A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0
Transcribed Image Text:A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0
Givens Q=27 vi = 6.3m1S Ad = 2.8m. vf G vf²= v₁² + 2a Ad ²-vi² VF 4 24¢ a = 102² -(63) 2² 2x2.8 â= -39.69m15 5.6 19= -7.09ms 4 plug in Solution y-axis Frety: Fsy FN FN=Fgy FNF CUS L plug in Fretx=Fgx-Fr Fnet x = Fysing -Fr mg masing-FNUL *g=wigsinG - wig cos & ut 9-gsinG-GEOS & UK -uk- agsine -gros икса gsinо glaso Wki (-7.09m/s²) - 14,8~15²) Sin 270 (9.8 (05270) 4k = 11.3391069 -8.731863937 4K = 1.321494120 uk= 1.32 The coefficent of kinetic friction is 1,32 Hilroy
Transcribed Image Text:Givens Q=27 vi = 6.3m1S Ad = 2.8m. vf G vf²= v₁² + 2a Ad ²-vi² VF 4 24¢ a = 102² -(63) 2² 2x2.8 â= -39.69m15 5.6 19= -7.09ms 4 plug in Solution y-axis Frety: Fsy FN FN=Fgy FNF CUS L plug in Fretx=Fgx-Fr Fnet x = Fysing -Fr mg masing-FNUL *g=wigsinG - wig cos & ut 9-gsinG-GEOS & UK -uk- agsine -gros икса gsinо glaso Wki (-7.09m/s²) - 14,8~15²) Sin 270 (9.8 (05270) 4k = 11.3391069 -8.731863937 4K = 1.321494120 uk= 1.32 The coefficent of kinetic friction is 1,32 Hilroy
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