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# Celeena's Blog

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## Mars

Did you know that in many ways, the planet Mars is much like the planet Earth? The small "red" planet has seen volcanic eruptions, meteor showers, shifting tectonic plates and even dust storms. The planet even has growing and receding polar ice caps, that show changes in seasonal temperature. Mars is a terrestrial planet, along with Earth, Venus and Mercury. Mars is too cold and has too thin an atmosphere to allow liquid water to exist at the surface, but evidence clearly shows that about 3.5

## Introduction to Physics

The first month of physics has gone by extremely fast. I have learned that physics is essentially everything around you, most people just don't know that! Kinematics has been exciting for me, because I like math. I like the idea that there is a definite answer for everything, and when looking for an asnwer (i.e. acceleration, initial velocity, distance, etc.) there are multiple ways to solve it. I also like the fact that there are many different equations that you can use, and when one doesn't

## Horseback Riding Isn't A Sport?

As someone who has spent the better half of her life on top of a 1000 pound animal that could kill me at any second, people who tell me "horseback riding is not a sport" just might receive a punch in the face from me. First, let me tell you that I could probably beat you at arm wrestling among other strength tests simply because I have to carry large bucket of water around the barn, lift hay bales, and 50 pound feed bags. All of the work in the barn makes me sore and at that point, I haven't

## Horse Jumping

Most horses have four gaits that they commonly use. The first, the walk, is a slow, tame, four beat gait. The trot, slightly faster, is a two beat gait. The canter, a three beat gait, has a rocking feel to it. Last but not least is the gallop, which is a fast four beat gait, averaging about 25 mph. The most comfortable gait for a horse to jump from is the canter. This is a consistent gait that allows the horse enough momentum as well as an even pacing so that an adequate amount of force can b

## Elephant Pee?

I recently read an interesting article that explored the question "How fast does an elephant pee?" David Hu has a so called "Law of Urination" that says all mammals relieve themselves in the same amount of time. An elephant has a bladder that is almost two feet tall and holds a lot of urine. The amazing part of his experiment isn't in the fact that an elephant can hold approximately 42.3 gallons of urine, but in the idea that the elephant can empty his bladder in teh same amount of time as a 20

## Bowling from All Angles

As someone who is interested in sports, it is always fun to see physics in each individual sport that I participate in. Bowling requires an interesting amount of physics, not only in the way the ball is thrown (or rolled), but also in the way that the ball is made. My bowling ball, is made with a weight block in the middle of the ball and a hard outer shell. Any time you purchase a bowling ball this is the case, unless it is a spare ball which is entire plastic and does not spin at all. The w

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