How much work is done by the man against gravity

Reference no: EM13187739

200 lb man carries a 25 lb can of paint up a helical staircase that encircles a silo with radius 25 ft. The silo is 120 ft high and the man makes exactly four complete revolutions. Suppose there is a hole in the can of paint and 18 lb of paint leaks steadily out of the can during the man's ascent. How much work is done by the man against gravity in climbing to the top?

Reference no: EM13187739

Questions Cloud

What is the depth d : A cylindrical container 1.7 {rm m} tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water. If the pressure at the bottom of the cylinder is two atmospheres, what is the depth d?

The marketing mix must be a dynamic : The marketing mix must be a dynamic! Given the changes that occur on a regular basis, it is imperative for marketing managers to scan the environment around them to ascertain what changes are happening (both consumer preferences and competition) and ..

State what is the average rate of consumption of dye : moles of dye in 50 mL of solution is consumed in 188 seconds, what is the average rate of consumption of dye in mol/L.s?

What total surplus will result from a transaction : Consider a seller who values a car at $9,500 and a buyer who values the same care at $10,000. What total surplus will result from a transaction between the two when the seller is faced with the follow sales tax rates: 0%, 2%, 4%, 6%, and 8%

How much work is done by the man against gravity : Suppose there is a hole in the can of paint and 18 lb of paint leaks steadily out of the can during the man's ascent. How much work is done by the man against gravity in climbing to the top?

Difference between crime mala in se-such as murder-rape : The difference between crime mala in se, such as murder, rape, incest - they are wrong everywhere, always; and crimes mala prohibita, such as gambling, prostitution, underage drinking, and other so-called 'victimless crimes' - they are wrong only bec..

Bank customer withdrawing money from an atm : Describe (in a one to two (1-2) page narrative) a use case, complete with typical and alternate courses, that documents the event of a bank customer withdrawing money from an ATM.

State concentrations are expressed in molarity : What is the rate constant for a) a zero order reaction, b) a 1st order reaction, c) a 2nd order reaction, and d) a 1/2 order reaction? All concentrations are expressed in molarity

How far does the boat coast in the first minute : suppose a motorboat is moving at 40ft/s when its motor suddenly quits and that 10s later the boat has slowed to 20ft/s. assume that the resistance it encounters while coasting is proportional to the square of the velocity (v'=-k(v^2)) how far does..

User Account

All Pages