Grade 9Wave MotionA ball is dropped from height h . How much time taken by the ball to reach the ground (take g as acceleration due to gravity) ? pratik panchal 9 Years agoGrade 9
Tushar Kumar Verma9 Years agoInitial velocity,u=0by using newton`s third equation of motion h=ut+(1/2gt^2),we get-h=1/2gt^22h=gt^2t=square root (2h/g)
PASUPULETI GURU MAHESH9 Years agointial U =0we know that h=ut+1/2 at2 h=½ gt2 t=root of (2h/g)time taken ball reach the ground is t=root of (2h/g) THANK YOU