Calculate the work done by the person

Assignment Help Physics

Reference no: EM13275802

A 1.67 m tall person lifts a 2.34 kg book from the ground so it is 2.22 m above the ground. What is the potential energy of the book relative to the ground?

What is the potential energy of the book relative to the top of the person's head?

Calculate the work done by the person related to the answers in parts (a) and (b).

Reference no: EM13275802

Questions Cloud

Explain molar heat capacity and molar internal energy : Next calculate molar internal energy and molar heat capacity assuming vibrational energy levels are not significantly populated at 298 K and do not contribute to molar heat capacity and molar internal energy. Calculate percent error for each molar..

Determine range of k that ensures the system is bibo stable : Given the characteristic equation: F(z) = z^3 + z^2 + kz - 0.5 = 0 a) Use the Jury test to determine the range of "k" that ensures the system is BIBO stable. Show any inequality graphs and how they are combined to determine the valid range of k.

Calculate the maximum acceleration experienced by the jumper : A 71.6-kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 10.0 m, Calculate the maximum acceleration experienced by the jumper

Explain molar enthalpy and molar internal energy : Calculate the change in molar enthalpy and molar internal energy when carbon dioxide is heated from 15 degrees Celsius to 37 degrees Celsius

Calculate the work done by the person : A 1.67 m tall person lifts a 2.34 kg book from the ground so it is 2.22 m above the ground. Calculate the work done by the person

Compute the speed of the arrow : An 81.7-g arrow is fired from a bow whose string exerts an average force of 121 N on the arrow over a distance of 78.4 cm

Compute the difference between the molar enthalpy : Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg

Define how much heat would be added to the system to achieve : If all the weight from the cylinder was removed infinitely slowly and isothermally (reversible, isothermal expansion) what is the maximum amount of work that the gas could provide? How much heat would be added to the system to achieve this work

Determine the horizontal speed of the runner : At the start of his race, an 84-kg runner pushes against the starting block, Determine the horizontal speed of the runner after the force is exerted for 0.32s

User Account

All Pages