If you're very young or very old you could be misjudged for not being as capable as somebody in their 20s for example. While this may often be true it is not always and isn't something we should strive towards.
If you're of a certain ethnicity; let's say you're a Kenyan and you're running a marathon, people could misjudge that you would run the marathon at a very good pace. This, again, is not the necessary case.
If you're female, it is often possible that you would be misjudged as not being strong enough compared to your male counterparts.
Answer:
Heimlich Maneuver to help them breath
False. You would become dehydrated if you only drank caffeinated beverages and played sports.. You need to drink water in order to be hydrated.. Every once and a while you can have a caffeinated beverage.
There are only two ways to increase the magnitude of the momentum. Increase the magnitude of the velocity or increase mass.