The string in fig. is passing over small smooth pulley rigidly attached to trolley A. the trolley is moving horizontally with the speed vA. Speed of the block B at the instant shown in figure is The string in fig. is passing over small smooth pulley rigidly attached to trolley A. the trolley is moving horizontally with the speed vA. Speed of the block B at the instant shown in figure is October 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Motion in One Dimension , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related