If two automobiles have the same velocity, do they have the same acceleration?

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

Describe the function of the endomembrane system? what organelles are involved?

How do you tell if someone actually cares about you? and just say they do?