An Eskimo pushes a loaded sled with a mass of 300 kg over the frictionless surface of hard packed snow. he exerts a constant 170 N force as he does so. what is the sled's acceleration?

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

How are positive ions different from neutral atoms

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis