The same time. Which car has the greater average speed? Runner A takes 45 s to run 400 m. Runner B takes 48s to run the same
distance. Which runner has the greater average speed?

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Which feature of a heating curve indicates a change ofn state

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

The mini-refrigerator fire was most likely caused by what type of wiring?