How is the gravitational force between two objects related to the distance between the objects? the choices are there

Determine the maximum r-value of the polar equation r =3+3 cos 0

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.