anonymous
  • anonymous
What is the formulae for Hp/Watts for lifting objects as in weightlifting?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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experimentX
  • experimentX
to lift weight, you have to apply equal amount of weight to overcome gravity, and more force to move it, let's say you lift x kg weight to y meter in t seconds, then power is P = x*9.8*y/t ... convert it into Horse Power
stormfire1
  • stormfire1
\[Power = \frac{work}{\Delta time}=\frac{force * distance}{\Delta time}=\frac{mass * acceleration * distance}{\Delta time}\] Using the metric system: Distance will be the height the weights are lifted in meters. Time will be in seconds. Acceleration (due to gravity) will be ~9.8 m/s ^2 From the equations above, you can figure out the power output of a weightlifter knowing the total weight lifted, the height at which it is was lifted and the time it took to lift it. The result will be in watts (joules/second). From there you can convert it HP knowing that 1HP = 745.7W.

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