Math Question and Answers


Question and Answers Forum

All Questions Topic List
Algebra Questions
Previous in All Question Next in All Question
Previous in Algebra Next in Algebra
Question Number 82596 by peter frank last updated on 22/Feb/20

Commented by mr W last updated on 23/Feb/20

$(a)$ $i t h i n k t h e b e a m w i l l s t a y i n w a t e r .$ $(b)$ $t h e b e a m w i l l b e p a r t i a l l y r e f l e c t e d$ $a n d p a r t i a l l y g o i n t o t h e w a t e r$ $(s e e g r e e n l i n e s) .$
Commented by mr W last updated on 23/Feb/20

Commented by mr W last updated on 23/Feb/20

$\frac{\sin α}{\sin 49 °} = \frac{\sin 51 °}{\sin 90 °}$ $\Rightarrow α = 35.9 ° < 49 °$
Commented by peter frank last updated on 23/Feb/20

$t h a n k y o u$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum