Aski jumper competing for an olympic gold-medal wants to jump a horizontal distance of 135 m the take off point of the ski jump is that a height of 25 m with what horizontal speed must he leave the jump

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.