Considering that a planets inertia would want to cause it to move outward as it orbits, why would gravity be considered as a centripetal force
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Q: What is a centripetal force? Give some example for this force?
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- A satellite moves in a circular orbit around the earth at the height of 34,183 kilometers above the earth surface. What is the centripetal acceleration of the satellite? Assume that the earth's radius is 6378 km.what effect does the mass of the satellite have on the speed of the satellite’s orbit? Without citing equations, briefly explain why this is true with your understanding of gravitational force and circular motion? ThanksCalculate the orbital inclination required to place an earth-orbiting satellite in a 1000.0 km x 1500.0 km altitude, sun-synchronous orbit.
- At which of the indicated positions does the satellite in elliptical orbit experience the greatest gravitational force? Have the greatest speed? The greatest velocity? The greatest momentum? The greatest kinetic energy? The greatest gravitational potential energy? The greatest total energy? The greatest angular momentum? The greatest acceleration?Calculate at what speed the earth would have to rotate in order that objects at the equator would have no weight. Assume the radius of the earth to be 6400 kilometers. What would be the linear speed of a point on the equator? [Hint: When this happens, the object’s weight equals the centripetal force: mg=mv2/r].On a highway curve with radius 54 m, the maximum force of static friction (centripetal force) that can act on a 1,273-kg car going around the curve is 8,727 N. What speed limit should be posted for the curve so that cars can negotiate it safely?