Two forces, whose resultant is loon, are perpendicular to each other. If one of them an angle of 60° with the resultant, Calculate its magnitude. ​

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?