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Figure 9 Lab Report

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In figure 5 we can see that for the orange ellipse the speed is less than the circular speed, for the green circle the speed is the circular speed and for the red ellipse the speed is greater than the circular speed but not as large as the escape speed. In figure 6 we can see that for the blue parabola its velocity is the escape velocity and for the yellow hyperbola the body’s speed is greater than the escape velocity.
An interesting thought experiment to do is to imagine that the gravitational constant was decrease or increased and so as a result the equations for Circular and Escape speed will allow bodies to escape that would not have enough speed to escape the gravitational field. This change will mean that difference bodies will have difference speeds and as a result the necessary speed for a type of orbit changes. If the gravitational constant was increased then both the circular and escape velocities would increase. This could potentially mean that more bodies would be in orbit as less would have the necessary escape speed but it would be hard to tell whether more orbits would be more or less circular because the percentage of bodies with different speeds is not known. …show more content…

This is how much the orbit is stretched out compared to a circle and it is irrespective of the size of the orbit. The eccentricity of a circular orbit is precisely 0, elliptical orbits have an eccentricity between 1 and 0, the closer the eccentricity is to 0 the more like a circle the ellipse is and the closer to 1 the eccentricity is, the more stretched out the orbit is. If the eccentricity is exactly 1 then the orbit is parabolic so the object is just able to escape the gravity of the parent body. Moreover, if the eccentricity is greater than 1 then the orbit is a hyperbola and so would easily escape the gravity

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The purpose of this experiment was to learn about metal hydride reduction reactions. Therefore, the sodium borohydride reduction of the ketone, 9-fluorenone was performed to yield the secondary alcohol, 9-fluorenol. Reduction of an organic molecule usually corresponds to decreasing its oxygen content or increasing its hydrogen content. In order to achieve such a chemical change, sodium borohydride (NaBH4) is used as a reducing agent. There are other metal hydrides used in the reduction of carbonyl groups such as lithium aluminum hydride (LiAlH4).

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Discussion 1. Zn0 (s)+ Cu2+S6+O42-(aq) →Cu0(s) + Zn2+S6+O42-(aq) Zn0(s) → Zn2+(aq) + 2e- Cu2+(aq) + 2e- → Cu0(s) Zn0(s) + Cu2+(aq) → Zn2+(aq) + Cu0(s) Oxidant (oxidizing agent) is the element which reduces in experiment.

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1. Identify the range of senses involved in communication • Sight (visual communication), Touch (tactile communication), Taste, Hearing (auditory communication), Smell (olfactory communication) 2. Identify the limited range of wavelengths and named parts of the electromagnetic spectrum detected by humans and compare this range with those of THREE other named vertebrates and TWO named invertebrates. Figure 1: the electromagnetic spectrum source: www.ces.fau.edu Vertebrates Human Japanese Dace Fish Rattlesnake Zebra Finch Part of electromagnetic spectrum detected ROYGBV (visible light) detected by light sensitive cells in the eye called rods and cones.

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1070 Words | 5 Pages

Over these 15 consecutive days our criminal justice class has watched the decomposition of 9 still born piglets, which were laid out in a specific way, with specific wounds. Piglet 10 was put into a box at the beginning of the experiment, and was not revealed until the end of it. Each piglet was in its own condition. Piglet 0 was naked in a box, Piglet 1 was naked on the grass, piglet 2 had 1st, 2nd, and 3rd degree burn all over its body, it too was laying on the grass, piglet 3 was stabbed behind right shoulder, also lying on the grass, piglet 4 had a .380 bullet would on its side, it was laying on the grass, piglet 5 was clothed on the grass, piglet 6 was naked piglet on the black top, piglet 7 was clothed on the black top, piglet 8 was suspended in the air with clothes on, and piglet 9 was suspended in the air naked. At the beginning of the experiment we hypothesized on theories we now know the answer too.

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718 Words | 3 Pages

This goes hand in hand with Newton's Laws of motion and universal gravitation. Newton's law of universal gravitation states that a particle attracts every other particle in the universe using a gravitational force and Newton's law of motion states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. Newton's Laws back up Kepler's laws by explaining how the planets orbit is an ellipse with the Sun at one of the two foci or center. The force that allows this to happen to the planets are explained by Newton's law and that the gravitational force is moving the planets into rotation, as by the law of motion. These forces assisting each other can make phenomenon's occur such as tides.

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227 Words | 1 Pages

When people's credo changes there has to be something or someone that affected them to make them change their credo. For example someone can be affected emotionally in their lives that will change in how they believe in something or someone. A good example of this is Jemima finch who has various credos throughout the book, that change while he he starts to mature and after the case of Tom Robinson who lost his case just for being black. At the beginning of the book Jem is young and has no idea about racism, which growing up was normal to call a black person a “Niger” which he didn't see that it was bad when father would tell him not to use that word.

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Kepler’s third law modified by Newton is T^2(Me+Mm)= D^3. T is the orbital period in years and D is the distance between the Earth and Moon in AU. Me is the Mass of the Earth and Mm is the mass of the moon. Then I set Me+Mm= Mt. Mt is the total mass of the Earth and Moon combined.

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1156 Words | 5 Pages

III. MEHOD 　When we are designing pose using existing software, prepared 3DCG character's joint onto computer, which we will design a pose while operating using mouse little by little. 　This is also many very time-consuming work effort. As this research, we use skeleton figure for posture design.

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An increase in radius (or the length) results in a decreased angular velocity and shortening the radius increases angular velocity. I really liked the professors take on this concept. He gave two awesome examples of this relationship one he used a fly swatter on fruit flies versus a bigger insect and another example of boxing – the jab versus the

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In other words ellipses can be round or elongated; the degree of stretch is known as eccentricity. Eccentricity is defined as the ratioc/2a. C defined as the distance between the two focuses of the ellipse and a is the semi-major axis. In fact, a circle is an ellipse with an eccentricity of zero. Kepler`s second law is the speed of the planets along their elliptical orbits is such that they sweep out equal areas in equal periods of time.

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This is because … (example 1) Pluto swept clear of all objects in its orbit. This is also because… (example 2) objects around Pluto has a greater disadvantage of orbital speed decreasing with in its distance.

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988 Words | 4 Pages

Einstein saw gravity as a manipulation of space and time, and objects can distort the fabric of space-time the more massive they are. Jay GaBany describes this phenomenon like how a “bowling ball placed on a trampoline stretches the fabric and causes it to dimple or sag, so planets and stars warp space-time,” (GaBany). Each object that creates a “dent” in space-time has an escape velocity, the speed it takes to get out of the gravitational pull of that object. Some object’s “massiveness” (their mass related to their size) can cause their escape velocity to reach the speed of light, at which point “neither matter nor radiation can escape from the object's surface. Additionally, atomic or subatomic forces become incapable of holding the object up against its own weight.”

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514 Words | 3 Pages

Orbital mechanics is a fancy term for the motion of bodies in space. It was built on principles and law such as Newton’s second law and demonstrates the interlinking of theory and practical observations. This is best shown by Newton's law of universal gravitation and Kepler's three laws of planetary motion, each of which can be derived from Newton’s law of universal gravitation. The question of the essay itself is a broad question that allows lots of scope for investigation because many different factors influence the flight or motion of a body in space. However, it is still specific enough to give an answer in terms of the effect of changing the laws and rules that control bodies.

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1616 Words | 7 Pages

Those satellites would also collect more and more “stationary” photons from the surrounding; therefore, they reduce their kinetic energies gradually as some kinetic energy has “diminished” to mobilize addition mass gained by the satellites, and some other kinetic energy would be transformed to the universal gravitational potential energy “gradually”. Most of the satellites don’t seem to lose their kinetic energies quite “dramatic”; therefore, the author agrees that it must be the interaction between molecules at upper atmosphere and satellites that could have slowed down the kinetic energies of those satellites at much faster pace than the effect due to the expansion of the universe. Then

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201 Words | 1 Pages

A planet’s orbital speed changes depending on how far the planet is from the Sun. The closer a planet is to the Sun, the stronger the Sun's gravitational pull is pulling it and the faster the planet moves and or orbits. The farther it is from the Sun, the weaker the Sun's gravitational pull is and the slower it moves in its orbit. The orbit of a planet around the Sun, is not a perfect circle. It is an ellipse, a “flattened” circle.

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