A force of 25.0 N is needed to move widgets up a smooth incline 10.0 m long in a widget factory. The widgets weigh 125N each. a.) Assume the incline is 100 % efficient.

How high above the floor is the top of the incline?

c.) Now assume that the incline is 75 % efficient, which is probably more likely. How high above the floor is the top of the inline?

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes