1.

6. A person has to go 50m due north, 40m due east and 20m due south to reach afield. Find the distance he has to walk to reach the field and the magnitude ofdisplacement from his house to the field respectively.10m​

Answer»

heat produce by FRICTION is not constant. Friction is PRODUCED DUE to the IRREGULARITIES between surfaces. Thus, when these surfaces rub against each other they produce heat.Nov 19, 2020



Discussion

No Comment Found