Una reacción en la que se absorb energía a menudo en forma de calor se llamaría a (n)

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f