Arubber boot is at rest on an inclined plane. when the angle of inclination of the plane is increased to 36.5°, the boot begins to slide down the incline. then, when the angle is decreased to 30.5°, the speed of the boot is constant. what are the coefficients of static and kinetic friction between the boot and the incline?

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted