Determine the speed with which the block B rises in the figure if the end of the cord at A is pulled down with a speed of 2 m/s

Determine the speed with which the block B rises in the figure if the end of the cord at A is pulled down with a speed of 2 m/s I) 3) pect to = a2 sino al = a cosO al = a coto 1 = a2 tano a etermine the speed with which block B rises in figure if the end of the cord at A is pulled down with a speed f 2 m/s. ) 0.5 m/s ) 0.9 m/s (2) 0.3 mis t (4) 0.6 mis t h Educational services Pvt. Ltd. Regd. Offices: Aakash Tower, 8, Pusa koåd, New DelhM10005 Ph.Öhi-i7623ä5Öi