work and energy, Physics

Assignment Help:
a person holds of hay over his head for 30 min and gets tired . has he done some wirk or not? justify your answer

Related Discussions:- work and energy

#title. entopy., what is entropy and how is it useful in our everyday life?...

what is entropy and how is it useful in our everyday life?

Explain efficiency, An electric motor with a load delivers 5.2 hp to its sh...

An electric motor with a load delivers 5.2 hp to its shaft (1 hp = 746 W). Under these conditions, it operates at 82.8 percent efficiency. a. How much current does the motor d

Show principles of special theory of relativity, Using principles of specia...

Using principles of special theory of relativity derive mass energy relation, illustrate it with an example. A beam of particle of half life 2.0 x 10-8 sec. travels in a laborat

Define beats, When two dissimilar sound rays of slightly different frequenc...

When two dissimilar sound rays of slightly different frequencies, traveling in a phase along the same direction, superimpose on one other, the intensity of the resultant sound at a

What do you mean by beats, What do you mean by beats? Illustrate the import...

What do you mean by beats? Illustrate the importance of beats. What are applications of ‘Doppler Effect'?

How does a cat land on its feet, How Does a Cat Land on its Feet? The s...

How Does a Cat Land on its Feet? The saying is in which cats always land on their feet. This animation describes how they do this.

Motion in one dimension, A packed parachute is dropped from rest from an ai...

A packed parachute is dropped from rest from an airplane. A daredevil is launched straight down rom the plane 3.00s later. Neglecting air resistance, the daredevil catches up to th

Explain electrostatic potential energy, Two point changes q1 and q2 are pla...

Two point changes q1 and q2 are placed at a distance r from one another then electrostatic potential energy of two phase charge system will be kq 1 q 2 /r  . We take P.E. of two ch

Radioactivity-pulmonary embolism, Pulmonary embolism: -  It is a blood clo...

Pulmonary embolism: -  It is a blood clot blocking  a major artery in the lunge ,it represent a serious medical problem. - About 100 MBq of lumpy 99mTc –is injected into a vein .T

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd