What initial speed should a particle be given if it is to have a final speed when it is very far from the earth that is equal to its escape speed

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 are the north and south poles of a solenoid change with?

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?