Physics, 19.11.2020 03:10, Tyrant4life

Using a jack, a mechanic has a power output of 121 W to do 3138 J of work in order to lift a car vertically 0.5m. How long did this take

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Using a jack, a mechanic has a power output of 121 W to do 3138 J of work in order to lift a car ver...