ASAP I NEED HELP Reset the simulation by clicking the reload button at the bottom right corner of the screen. Move the chemistry book down again so its surface touches the surface of the physics book. Quickly move the chemistry book back and forth. What’s different when the motion is faster?
PHYSICAL SCIENCE for 11 th graders

Explanation:A force can speed up or slow down an object. A force can change the direction in which an object is moving. A bigger force on an object will produce a bigger change in the motion. A heavier object requires a larger force than a lighter object in order to undergo the same change in motion.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.