Is there a difference between radial velocity and angular velocity or are they the same thing? if yes, where is the difference?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

What’s #16 asking me and how do i solve it?

What is a subatomic particle with a negative charge and very little mass?