Define an army. list the function of army (5).state 5 roles of an army .state 6 duties of an army.​

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?

Match each scenario to the form of energy it represents

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m