Physics, 13.05.2021 03:40 pollywallythecat

A 10 kg plow is sitting in the dirt on one end of Farmer Jon's sugar beet field. Farmer Jon hitches Nelly, his trusty mule, to the plow and drags the plow 30 meters to the other end of the row. As it cuts through the dirt the plow reaches a speed of 2 m/s. Assuming Nelly pulls the plow with approximately 40 newtons of force calculate the efficiency while plowing that one row in the field. (2 sig figs and answer in a percentage)

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A 10 kg plow is sitting in the dirt on one end of Farmer Jon's sugar beet field. Farmer Jon hitches...