An ant starts at -4.5 m and moves 8.8 m left, 5.3 m right, and 8.8 m left, and 7.1 m right. If the positive x axis is to the right, what is the ant’s final position

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Need in all of themmm only answer if you know pls

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?