A MAN IS STANDING AT THE TOP OF THE TOWER 100 m HIGH.HE THROWS A BALL VERTICALLY UPWARDS WITH A VELOCITY OF 20 m/s. AFTER WHAT TIME WILL THE BALL PASS HIM GOING DOWNWARDS ? HOW LONG AFTER IT'S RELEASE WILL THE BALL REACH THE GROUND ?
 
PL. ANS IN FULL STEPS

Asked by harshmandlik | 9th Sep, 2014, 10:45: PM

Expert Answer:

Answered by Romal Bhansali | 10th Sep, 2014, 10:03: AM