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.

If you find yourself sharing the road with an aggressive driver, you should: a. attempt to get the driver off the road b. give the driver extra space c. make eye contact and smile

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Give 2 examples of the sedimentation in the deep ocean?