Find the power delivered by the person pulling on the rope

Assignment Help Physics

Reference no: EM13667327

A 6.2 kilogram box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling.

(a) If the box is being lifted at a constant speed of 2.0 m/s, find the power delivered by the person pulling on the rope?

__kW

(b) If the box is lifted, at constant acceleration, from rest on the floor to a height of 1.5 meter above the floor in 0.42 second, find what average power is delivered by the person pulling on the rope?

__kW

Reference no: EM13667327

Questions Cloud

Find out the concentration of the original unknown sample : Utilizing a previously prepared beer's curve he determined the connection of his dilution to be .00256 M. Find out the concentration of the original unknown sample

Organization should take towards knowledge : Organization should take towards knowledge in the 21st century?

Explain what is the molecular weight : Explain a solution is prepared by dissolving 89.6g of a nonvolatile solute in 175 g of water. Explain the vapor pressure above the solution is 20.62Torr as well as the vapor pressure of pure water is 23.76Torr at this temperature. Explain what is ..

Compute the vapor pressure of a solution of cholesterol : Compute the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32 degrees Celsius. Pure toluene has a vapor pressure of 41torr at 32 degrees Celsius. (Presume ideal behavior)

Find the power delivered by the person pulling on the rope : A 6.2 kilogram box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling. find the power delivered by the person pulling on the rope

Determine the tension in the string at instant of projection : A particle of mass 3 kilogram is attached to the end of a ring of length 4meter, whose other end is fixed. determine the tension in the string at the instant of projection

How does the leadership respond : How does the leadership respond?

Explain what other properties these solutions have in common : Determine two aqueous solutions one of sucrose and the other of nitric acid. Both solutions freeze at -1.5 degree Celsius. Explain what other properties these solutions have in common

What are the most significant threats to your data : What is cyber security, and what are some of its key concepts and what are the most significant threats to your data, and what are some of the root causes of those threats - are cyber criminals a real danger to your enterprise? Why or why not?

User Account

All Pages