Kevin works for his own gutter and siding company and loves that he gets to climb around and work outside. marsha is an accountant who prefers to work in a cubicle protected from the elements of nature.

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

A10n falling encounters 10n of air resistance (upward force). the net force on the object is: