Why is it easier for you to float in salt water than in fresh water ?
It is easier to remove one electron from O than N because Nitrogen has
Explain why (a) a horse cannot pull a cart and run in empty space, (b) passengers are thrown forward from their seats when a speeding bus stops suddenly, (c) it is easier to pull a lawn mower than to push it, (d) a cricketer moves his hands backwards while holding a catch.
Why does the wooden block float on water even though it is heavier than a marble ?
Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in the radius r/2 and the lighter one in radius r. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is
VGS PUBLICATION-BRILLIANT-WORK AND ENERGY-THINK & DISCUSS
