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

Illustrate the no-load phasor diagram, A 3300V/440V, single-phase transform...

A 3300V/440V, single-phase transformer takes a no-load current of 0.8A and the iron loss is 500W. Draw the no-load phasor diagram and Determine the values of the magnetizing

Mechanics, A gas is compressed from 400 cm3 to 200 cm3 at a constant pressu...

A gas is compressed from 400 cm3 to 200 cm3 at a constant pressure of 100 kPa. At the same time, 100 J of heat energy is transferred out of the gas. What is the change in internal

Angular Acceleration of Earth, 2. The earth’s rotation about its axis chang...

2. The earth’s rotation about its axis changes measurably over time; see http://en.wikipedia.org/wiki/Leap_second and http://en.wikipedia.org/wiki/Tidal_acceleration for detai

Scalars and vectors, why is the resultant of 3 non-coplanar vector always n...

why is the resultant of 3 non-coplanar vector always non-zero?

Explain the term capacitance of a capacitor, (a)   Explain the term 'capaci...

(a)   Explain the term 'capacitance' of a capacitor. Derive an expression for the total Capacitance of 'n' capacitors arranged in series. (b)   Explain the term 'capacitance' of

silver, Silver   Symbol     Ag ...

Silver   Symbol     Ag Atomic weight 107.868  Atomic number   47 discovery

Describe motion in one dimension, Motion of an object in a straight line is...

Motion of an object in a straight line is called one dimensional motion. The location of a particle in one dimensional motion can be explained by only one variable (say x). For a p

Mercury is poured into a u-tube, Mercury is poured into a U-tube as shown i...

Mercury is poured into a U-tube as shown in Figure given below. 100g of water is then poured into the right hand side of the tube. The density of mercury is 13.6g/cm 3 . What heigh

Nikol prisom, How nikol prisim can use as polarizer and analyzer

How nikol prisim can use as polarizer and analyzer

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