Planets move fastest in their orbits when they are closest to the sun (perihelion) and slowest when they are farthest from the Sun (aphelion) True or false

Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?