Question: Using energy method ) A force pulls a 2 0 kg block up a 3 7 deg incline where the coefficient of friction between

Using energy method
) A force pulls a 20 kg block up a 37\deg incline where the coefficient of friction between the surfaces is 0.22. The block is initially moving at 4 m/s 7 and after it is pulled up 12 malong the surface of the incline it is moving at 7 m/s 7. Calculate the required applied force (assume it is parallel to the surface).

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