When force is doubled, what happens to acceleration? Use Newton's 2nd law formula to explain this
mathematically.

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2