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? ”

You have been called to testify as an expert witness in a trial involving a head-on collision. car a weighs 1515 lb and was traveling eastward. car b weighs 1125 lb and was traveling westward at 44.0 mph. the cars locked bumpers and slid eastward with their wheels locked for 22.5 ft before stopping. you have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750 . how fast (in miles per hour) was car a traveling just before the collision? (this problem uses english units because they would be used in a u.s. legal proceeding.)

What is created when solids,liquids,an gases mix with one another

Convection currents are caused by differences in what two things?