A 13.8 kg crate is pulled up a rough inclinewith an initial speed of 1.5 m/s. The pullingforce is 123.0 N parallel to the incline, whichmakes an angle of 13.6◦ with the horizontal. The coefficient of kinetic friction is 0.33 andthe crate is pulled a distance of 7.8 m.The acceleration of gravity is 9.81 m/s^2a) Find the work done by Earth’s gravityon the crate.Answer in units of J.b) Find the work done by the force of frictionon the crate.Answer in units of J.c) Find the work done by the puller on thecrate.Answer in units of J.d) Find the change in kinetic energy of thecrate.Answer in units of J. e) Find the speed of the crate after it is pulled7.8 m.Answer in units of m/s.

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