Picture yourself hiking in a narrow canyon in Utah. The canyon is dry and it hasn't rained for weeks. You see some thunderhead clouds in the sky, but not one drop of rain all day.
Nevertheless, a small rush of water starts to run through the canyon, turning it into a creek. There must have been a heavy rainfall somewhere
nearby. Water runs down the sides of the canyon, forming little waterfalls. You realize that there could be a flash flood coming! You turn quickly
up a side trail to higher ground before you are washed down the canyon.
Soon, you are safe above the canyon. It's scary watching the wild, brown water rushing through the canyon bottom where you were just hiking.
That was a stressful situation, but it lasted only a short time. What if this were an action movie? Next you might have to run away from a herd of
stampeding cows and then put out a wildfire. The stress would go on and on
Describe the effects that constant stress can have on your body functions.

What is hydroelectric power produced by?

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Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.