A block of mass m is at rest at the origin at t=0. It is pushed with constant force f0 from x=0 to x=l across a horizontal surface whose coefficient of kinetic friction is μk=μ0(1−x/l). That is, the coefficient of friction decreases from μ0 at x=0 to zero at x=l.

Which number is main idea? i need answer quick. (1) people may think that love and romantic feelings are enough of a basis for choosing a spouse. (2) the chances of a marriage surviving, however, would improve if prospective marriage partners considered a few unromantic questions before deciding on matrimony. (3) for example, do the two individuals involved share a common socioeconomic background? (4) the more similar they are in their social, economic, religious, and cultural backgrounds, the more similar their expectations about married life will be. (5) in addition, what are their goals? (6) it’s a big advantage to the marriage if they know and share one another’s goals concerning career, lifestyle, and family. (7) finally, and maybe most important, how does the prospective spouse treat others in his or her life? (8) during the courtship, the boyfriend or girlfriend may get special consideration, but in the long run, spouses will probably treat each other about the same way they treat their own family members.

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

Why do you think someone would use tuition reimbursement as a way to fund their education? what are the benefits of working for a company that supports tuition reimbursement?