Formulating a hypothesis

write a hypothesis about the effect of the fan speed on the acceleration of the cart. use the "if . . then . . because . .” format and be sure to answer the lesson question: "how does an object's position and velocity change as the object accelerates? ”

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

In the first law of thermodynamics, triangle e=q-w, what does q stand for