Work done to push a block of steel
Determine how much work should you do to push a block of steel of 14.29 kg across a steel table at a steady speed of 1.09 m/s for 3.69 s? (The Coefficient of kinetic friction is equivalent to k = 0.68.)
Determine your power output while doing so?
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Assume the eyes are 4 ft above floor, and you sit at the distance x from the screen. Use subtraction formula for tangent to illustrate that Theta = arctan(22x/(x^2) + 168)
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If the similar block is then placed in an unknown liquid, unattached to a scale, it floats with 2/3 of its volume submerged in the unknown fluid. The density of water is around 1.00 × 103 kg/m3. Find out the density of the unknown liquid.
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A 24% efficient engine accelerates a car of 1457 kg from rest to 12.16 m/s. Determine how much energy is transferred to the engine through burning gasoline?
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