A water surfer is moving at a speed of 15 m/s. When he is surfing in the direction of wave, he swings upwards every 0.8 s because of wave crests. While surfing in opposite direction A water surfer is moving at a speed of 15 m/s. When he is surfing in the direction of wave he swings upwards every 0.8 s because of wave crests. While surfing in opposite direction November 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related