Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
13 lessons,
1h 35m
Enroll
76
Download
Units and Dimensions - Part 1
1,380 plays

More

Indira Roy
B.Tech Industrial Engineering and Management|| Educator || Painting || sports ||

U
Unacademy user
How to find range of e^x - e^-x
Ashish Bajpai
7 months ago
It is increasing function , differentiate it and you will find it's derivative positive , now substitute -infinity , you will find - infinity and and then substitute +infinity then output will be infinity so range will be all real numbers
  1. UNITS AND DIMENSIONS


  2. 3 QUANTITY ADOPTED AS Z A STANDARD OF MEASUREMENT


  3. UNITS OF MASS,LENGTH AND TIME THEY ARE FUNDAMENTAL BECAUSE: 3 1. Well defined and independent to each other Independent of physical conditions 3. Can be easily expressed in their terms raised to various powers


  4. 3 THE UNITS OF PHYSICAL QUANTITIES WHICH DERIVED FROMM FUNDAMENTAL UNITS OF LENGTH, MASS AND TIME.


  5. 3 FIXED AND REAL VALUE OF ANY PHYSICAL QUANTITYIS INVERSELY PROPORTIONAL TO ITS NUMERICAL VALUE,i.e or


  6. 1. Must be universal of proper size and magnitude. 3 2. Must not be affected by variations in temperature, pressure and time RS O3. Should be easily definable and reproducible