A man generates a symmetrical pulse in a string by moving his hand up and down. At t=0, the point in his hand moves downwards from mean position. The pulse travels with speed 3 m/s on the string and his hand passes 6 times in each second from the mean position. Then the point of the string at a distance 3 m will reach its upper extreme first time at t=

Gyaan Academy Kota , 6 Years ago

Grade 12th pass