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A mass is given an initial speed V up an inclined rough ramp. m Vo The time for the mass to come to rest up the ramp is tup. The mass then returns down the ramp in time down. If tup = 2.15, down = 3.5s and 8 = 20, what is the coefficient of kinetic friction of the rough ramp? |
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Transcribed Image Text:A mass is given an initial speed V up an inclined rough ramp. m Vo The time for the mass to come to rest up the ramp is tup. The mass then returns down the ramp in time down. If tup = 2.15, down = 3.5s and 8 = 20, what is the coefficient of kinetic friction of the rough ramp? |
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Step 1: In case of block going up find the net deacceleration and apply equation of motion
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Step 2: In case of blocking coming down find net acceleartion and apply eqaution of motion
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