Question

prove that if a body is thrown vertically upward then the time of ascent with which it is thrown

Answer 1

a body is thrown vertically upwards, the time of ascent is equal to the time of ... let t₂ be time of descent. s=ut+1/2 gt² h=0+1/2gt₂² t2=√2h/g but, h=u²/2g so, we get