5j-TJ=6j+3Tj determine-the value of T in the given vector

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?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration