How much work is required

Reference no: EM13196892

A worker on scaffolding 75 ft above the ground needs to lift a 450 lb bucket of cement from the ground to a point 20 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?

Reference no: EM13196892

Questions Cloud

Calculate and interpret the incidence density rate : The investigators also noted that 35 of the men had withdrawn from the study at the third evaluation. Based on this information, calculate and interpret the incidence density rate of prostate cancer in this group.

What is the likely direct of the fias : A random digit dialing telephone survey of 880 drivers asked, "Recalling the last ten traffic lights you drove through, how many of them were red when you entered the intersectinos?" Of the 880 respondents, 171 admitted that at least one light had..

What was the incidence rate of lyme disease : What was the incidence rate of lyme disease in Chittenden County in 1994? What type of incidence rate is this?

What type of incidence rate is this : The population of the county was 204,500 at the beginning of the year and 215,000 at the end of the year. What was the incidence rate of lyme disease in Chittenden County in 1994? What type of incidence rate is this?

How much work is required : A worker on scaffolding 75 ft above the ground needs to lift a 450 lb bucket of cement from the ground to a point 20 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?

Prevents the exocytotic release of transmitter from vesicles : Botulinus toxin causes paralysis. It binds to presynaptic sites at the motor end plate (neuromuscular junction) and prevents the exocytotic release of transmitter from vesicles.

State what is the minimum concentration of cyanide : What is the minimum concentration of cyanide that will prevent the precipitation of AgI (s) from a solution that is 0.0184 M in Ag+ (aq) and 0.149 M I

Calculate the arc cross or elasticity of two products : Assume that demand for product A can be expressed and demand for product B can be expressed. Suppose the price of product B increases. What happens to the quantity demanded of both products.

State the organisms genus and species : State the organism's genus and species and common name if applicable and state the area in which this organism lives

User Account

All Pages