physics help please!

Physics
Tutor: None Selected Time limit: 1 Day

the 75 hp engine runs for 25 seconds lifting a 350 lb weight

a how far did it lift it?

b how much worh in foot lbs did the engine do?

Oct 27th, 2014

power*time= work

work = force * distance

here force is weight

75*25/350

units hp*s/lb

convert it into foot. by proper conversion

and the second  answer is 75 hp*25 s

convert into foot lb using apt conversion scale again


Oct 27th, 2014

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Oct 27th, 2014
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