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

Explain applications of cement mortar, Applications of cement mortar 1....

Applications of cement mortar 1. It is used to carry out pointing and plaster works on exposed surface of masonry. 2. It is used to bind the building units like bricks, ston

How far down is the surface of the water, A hiker tosses a rock into a cany...

A hiker tosses a rock into a canyon. He hears it strike water 4.78 s later. How far down is the surface of the water?

Explain annihilation of matter, What do you mean by thermal neutron? What i...

What do you mean by thermal neutron? What is its importance? What do you mean by annihilation of matter? Given an example

Cylindrical volume at a distance x, A long cylindrical volume haves a unifo...

A long cylindrical volume haves a uniformly distributed charge of density ρ and radius R. Determine the electric field at a point P inside the cylindrical volume at a distance x (x

Can slide emitting optics is bright or brighter than neon, Can slide emitti...

Can slide emitting optics is bright or brighter than neon? Fiber optics can be made to be brighter than neon but merely for very short distances. Let an illustration, of a gard

What is defect, Defect: The image is formed behind the retina and lens ...

Defect: The image is formed behind the retina and lens becomes converging.

Gravitation- numerical probelm, A ball dropped from a balloon at rest clear...

A ball dropped from a balloon at rest clears a tower  81m high during the last quater second of its journey. Find the height of the balloon and the velocity of the body when it rea

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