How much work is performed when a 30-pound sack is moved 100 feet in 2 seconds?

What will be an ideal response?


Work = Force ´ Distance = 30 lbs ´ 100 ft = 3,000 ft.-lbs

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The type of jack that is operated by the pressure of an enclosed liquid is the _____ jack.

a. screw b. ratchet c. hydraulic d. electric

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Solid contour lines are used on site plans to show _____.

a. natural grade b. footing elevation c. finish grade d. finish floor elevation

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How many calories are required to raise the temperature of 4 kg of water 19?

Fill in the blank(s) with the appropriate word(s).

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The PUT anode leakage current is the current that flows from the gate to the anode with the cathode shorted

Indicate whether the statement is true or false

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