Elliptic orbit

Chapter 3 Falling Objects and Projectile Motion Gravity influences motion in a particular way. How does a dropped object behave? !Does the object accelerate, or is the speed constant? !Do two objects behave differently if they have: !different masses? !different shapes? Acceleration Due to Gravity " Earth exerts a gravitational force on objects that is attractive (towards Earth’s surface). " Near Earth’s surface, this force produces a constant acceleration downward

Space Junk Today, speeding past our Earth ten times faster than a bullet (tweentribune), are millions of pieces of space junk ranging in size from flecks of paint to entire Satellites (NASA). To most people this does not sound like much of a problem, but even a fleck of paint moving 17,500 miles per hour or more can cause significant damage to spacecraft and space walkers alike. As more collisions take place and as new items enter the atmosphere the statistical probability of a collision will increase

This simplified 2D example will demonstrate how GPS uses trilateration to pinpoint an unknown location. Once a receiver has "locked in" onto a satellite, the unknown position may be anywhere within the radius of 1000 km of satellite one. The receiver picks up a signal from a second satellite and calculates the range as 1200 km. The position has been narrowed down to two positions; where the ranges intersect. If the receiver picks up another satellite, the unknown position can be found by calculating

Dana Chernysheva 1A Satellite Motion Lab 1.8) 1.9) A circular orbit means that the magnitude of velocity is constant. In a circular orbit, the radius is the same at all points on the orbit. If the radius is the same, then the object is always the same distance away from the central body, so the gravitational pull is the same because a= v^2/r, and v and r are the same at any given point. An elliptical orbit would have changing velocities at certain points. An ellipse does not have one constant radius

Centers of Gravity Most of the issues that arise while identifying centers of gravity concern the ambiguity and multiple definitions of the term. Dr. Strange contends that modern military definitions of centers of gravity (from Joint Publications) differ from Clausewitz’s original definition. The author further offers that due to the confusion from varying definitions, military planners waste hours of debate deciding upon the center of gravity; time that could have been better spent on planning

Kepler’s Discoveries “I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.” Said Johannes Kepler in deep thought. He developed smallpox when he was three, which left him partially disabled and with poor vision. Even though he was disabled he still was a straight A student who scored well in math. His dream was to enter the ministry, but the economy forced him to pursue mathematics, which later he realized was Gods leading. The First Law of

What we changed: To decrease the time to fall, we maximized the launch speed while simultaneously reducing the height to a minimum and launching from an angle of 0 degrees. The time a projectile spends in the air is directly related to the angle measurement and height. The greater either of the two variables, the more hang time a projectile would experience. Therefore, to reduce time, our group minimized both variables, effectively rendering time from increasing. Furthermore, our group increased

reach a perfect orbit. Below is the explanation of why: “Although the satellite is always falling towards the earth, because of gravity, the right combination of height and speed causes the satellite to fall as much as the earth curves, so the satellite never crashes” 2. I thought

HIS LIFE Johannes Kepler was a German astronomer and mathematician ho discovered that planetary motion is elliptical. Early in his life, Kepler wanted to prove that the universe obeyed Platonistic mathematical relationships, such as the planetary orbits were circular and at distances from the sun proportional to the Platonic solids (see paragraph below). However, when his friend the astronomer Tycho Brahe died, he gave Kepler his immense collection of astronomical observations. After years of studying

No one wants to die. That is a fact of life and apart of human nature. Unfortunately, humans are the main source for increasing pollution rates, deforestation, a large contributor for climate change, and the overall destruction of our planet. This is not a local issue, a state issue, or even an issue subjected to just one country. This is a global issue that will effect everything. Our withering planet is why space travel is important for our society. Earth is our home. In fact, it’s home to over