Respuesta :

gefuerstenau

For this one, you can use Pythagorean theorem.

a^2 + b^2 = c^2 -------- c will be the resultant

(20 m/s)^2 + (30 m/s)^2 = c^2

solve for c.

= 36.1 m/s

Please brainliest me if this helped; trying to level up!