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

What is frictional force, The substances which acquire charges on rubbing a...

The substances which acquire charges on rubbing are said to be charged. The electricity produced by friction is called Frictional force.  If the charges do not move, then the frict

Describe the secondary emission in pentode, Explain how suppressor grid eli...

Explain how suppressor grid eliminates effect of secondary emission in pentode Ans: Suppressor grid is placed in between plate and screen grid. It's connected with the cathode

Biot law, what is the biot law give the mathmatical description.

what is the biot law give the mathmatical description.

Surface polarization charge, An atom is said to be polarized if it possess...

An atom is said to be polarized if it possesses and effective dipole moment, that is, if there is a separation between the centres of negative and positive charge distribution. It

How is a wave front dissimilar from a ray, How is a wave front dissimilar f...

How is a wave front dissimilar from a ray ? Draw the geometrical, shape of the wave fronts when (i) light diverges from a point source, and (ii) light emerges out of a convex le

Electric field valid for points on the y-axis, Specified the expression bel...

Specified the expression below valid for points in the x-y plane what is the y-component of the electric field valid for points on the y-axis?

Friction a necessary evil, Friction has several disadvantages but life is i...

Friction has several disadvantages but life is impossible without friction because friction has many benefits also.

Adding 3 vectors, Adding 3 Vectors A simple demonstration of adding 3 v...

Adding 3 Vectors A simple demonstration of adding 3 vectors graphically. Also elaborates in which vector addition is relative.

Coulomb force experienced at its centre, a) Three equivalent charges 2.0 mi...

a) Three equivalent charges 2.0 micro coulomb each, are held fixed at the three corners of an equilateral triangle of side 5 cm. Determine the Coulomb force experienced at its cent

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