Motion class 9 all formula I just in 30 seconds ✌

If the average weight of the class of students is 15 and the average weight of another class of students is 30, then the find the ratio of the students of the first class to the another class of 30 students when the average weight of both the classes is 25:

If the average weight of a class of students is 15 and the average weight of another class of students is 30, then find the ratio of the students of the first class to the another class of 30 students when the average weight of both the classes is 25 :

Recap|Newton's First Law Of Motion|Newton's Second Law Of Motion|Statement Of Newton's Second Law|Mathematical Formulation Of Newton's Second Law Of Motion|Questions|OMR|Summary

Explain Newton s laws of motion and show that (i) Newton s first law of motion defines force and (ii) Newton s second law of motion gives us the measure of force.

A class has 30 students. The followign prizes are to be awarded to the students of the class- first and second in mathematics, first and second in Physics, first in Chemistry and first Biology. If N denote the number of ways in which this can be done, then

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