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

Van der waals force, Van der Waals force (J.D. van der Waals): It is t...

Van der Waals force (J.D. van der Waals): It is the forces which is responsible for the non-ideal behavior of gases, & lattice energy of molecular crystals. There are three ca

Explain change in kinetic energy, Two blocks are tied together by a horizon...

Two blocks are tied together by a horizontal string and pulled a distance of 2.7 m across an air hockey table with a constant force of 35 N. The force is directed at an upward angl

Uses of radio isotopes, Uses of radio isotopes: Used in i)Medicine ...

Uses of radio isotopes: Used in i)Medicine ii) Industry iii) Agriculture iv) Meteorology and v) Radio active dating.

Determine apparent weight, During a space launch, an astronaut typically un...

During a space launch, an astronaut typically undergoes an acceleration of 3 gs, which means he experiences an acceleration that is three times that of gravity alone. What wou

Describe the variation of the radius of bright fringe, Describe the variati...

Describe the variation of the radius of bright fringe of Newton's rings with refractive index of the thin film enclosed between the glass plate and plan-convex lens when observed b

define electric cell, The device which changes chemical energy into electr...

The device which changes chemical energy into electrical energy is called as electric cell. Battery is a host of constant emf but not constant current.

Define the diatomic molecules in two dimensions, Define the Diatomic Molecu...

Define the Diatomic Molecules in Two Dimensions? You have been transported to a two-dimensional world by an evil wizard who refuses to let you revisit to your beloved Columbia

Carbon composition variable resistor, MANUFACTURING: Two processes are use...

MANUFACTURING: Two processes are used manufacturing. Coated film: A mixture of carbon, filler and binder is coated on a ring of insulating material. The surface of the film is

Determine the frequency spectrum of a signal, Figure shows the frequency sp...

Figure shows the frequency spectrum of a signal at 1184kHz displayed by a high-speed virtual DSO. Determine (a) The harmonic relationship among the signals marked 'o' and 'x',

Health, Researchers found that a ________ is more important and is the key ...

Researchers found that a ________ is more important and is the key to losing weight rather than a popular one. A. Fad diet B. Counting calories diet C. Low-carb diet D. Stic

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