The speed of a motor launch with respect to water in a stream in 8 m/s, while water current’s speed is 3 m/s. When the launch began travelling upstream, a float was dropped from it. After travelling a distance of a float was dropped from it. After travelling a distance of The speed of a motor launch with respect to water in a stream in 8 m/s while water current's speed is 3 m/s. When the launch began travelling upstream September 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related