Question

A particle is projected vertically upwards and it attains maximum height h. find the value of h if

Answer 1

If the velocity was u then
Then at highest point velocity would be zero then according to Newton third law of motion
$v ^{2} = u ^{2} + 2as \: puttng \: v = 0 \: we \: get \: the \: result \: as \: h \: = u ^{2} \div 2g$