Question

one of the rectangular components of 20 m per sec is 10m per sec find the other component

Answer 1

I think it would be 10√3
$\sqrt{ {10}^{2} + {x}^{2} } = 20 \\ 100 + {x}^{2} = 400 \\ {x}^{2} = 300 \\ x = 10 \sqrt{3}$