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What happens when earth has shrink.what is the effect on angularr momentum?? Q2.why always form white lather weather we use any type of soap??.

What happens when earth has shrink.what is the effect on angularr momentum?? Q2.why always form white lather weather we use any type of soap??.

Grade:11

2 Answers

Arun
25750 Points
6 years ago
Dear Shweta
 
Please ask 1 question innone thread.
Answer to the 1st question,
 
 

IF EARTH WERE TO SHRINK SUDDENLY THEN ITS MOMENT OF INERTIA WILL DECREASE.

 

BY CONSERVATION OF ANGULAR MOMENTUM ANGULAR VELOCITY WILL INCREASE

 

THEREFORE LENGTH OF THE DAY WILL DECREASE

 

Regards

Arun (askIITians forum expert)

Sanju
106 Points
6 years ago
Answer to your Q#2:
When light enters the soap soln., it passess thru a large collection of tiny soap bubbles (or in other words,it passes thru a number of surfaces). These large collection of surfaces scatter the light entered in different directions that makes lather look white

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