https://session masteringphysics com/mct/ tenie ?offset-next&ass; Chapter & Home

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https://session masteringphysics com/mct/ tenie ?offset-next&ass; Chapter & Homework PSS 6.1 Work and Kîinetic Energy nmentProblem ID. 891 6517) Constacts Learming Goal: To practice Problem Soing Strategy 61 Work and Kinetic Energy Your cat "Ms(mass8.00 k is trying to make it to the top of a fictionless ramp 200 m long and inclined 19.0 above the horizotal Since the poor cat cant get any traction on the ramp you push her uo the etire lenggh of the ramp by exning a constant 60 0 N terce parallel to the rampsif Ms i, mong 200 m/s t the bottem of the ramp, what is her speed when she reaches the top of the incline? EXECUTE the solutios as fellows Part C What is the cats speed ty whe she eaches the tog of the incine? Express your answer in meters per second to three signiicant Sigures View Available Hin m/s EWALLLUATE your answer Part D Ths question will be shoun after you complete prevous questons) Provide Feedback

Explanation / Answer

WE have to apply work energy theorem in this equation.

Work done by force+work done by gravity= change in kinetic energy.

(60*2)+(-8*9.8*2sin19)=0.5*8(vf2-vi2)

120-51.05=4(vf2-4)

17.2377+4=vf2

vf=4.61m/s

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