A stone is thrown vertically upwards with an initial speed u from the top of a tower, reaches the ground with a speed 3u. The height of the tower is : A stone is thrown vertically upwards with an initial speed u from the top of a tower reaches the ground with a speed 3u. The height of the tower is : October 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Motion in One Dimension , Volume 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related