SKetch for graph of g against
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Acceleration of gravity, sketch a graph. See image
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- How far from Earth must a space probe be along a line toward the Sun so that the Sun's gravitational pull on the probe balance: pull? Number i UnitsDetermine the speed a projectile must reach in order to become an Earth satellite.Two cars are making a turn. The Car A is four times more massive than the Car B. If they make the turn at the same speed, then how do the centripetal forces acting upon the two cars compare. Explain. Provide equations and examples
- A child sitting 1.90 m from the center of a merry-go-round moves with a speed of 2.15 m/s - Calculate the centripetal acceleration of the child. - Calculate the net horizontal force exerted on the child. (mass = 34.5 kg)The occupant inside a rotating space habitat of the future feels that she is being pulled by artificial gravity against the outer wall of the habitat (which becomes the “floor”). Explain what is going on in terms of Newton’s laws and centripetal force.On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. One such catapult takes a 17,600-kg jet from 0 to 67 m/s in 2.8 s. (Assume the catapult acts in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration of the jet in m/s2? 23.92 m/s? What is the acceleration of the jet in g's? g (b) How far does the jet travel while it is accelerating? (c) How large is the force that the catapult must exert on the jet? N
- Rank in order, from largest to smallest, the free-fall accelerations on the surfaces of the following planets.Which has a greater curvature, a baseball or a basketball? Explain your answer.How far above the Earths surface will the acceleration of gravity be half what it is at surface . Express your answer using three significant figures and include the appropriate units.
- heila and Kevin are helping thelr science teacher design a lab exercise about gravity in the universe. The simple set-up requires the use of two softballs. Ball 1 has nothing attached to it. Ball 2 has a long string connected to it. The first step of the activity is to throw Ball 1 in a straight line down the hallway to model a planet that is not affected by the Sun's gravity. What should be done in Step 2 to model the Sun's effect on a planet? A. The ball is thrown around the body while holding on to the string. B. The ball is thrown around the body with the string trailing behind C. The ball is thrown in a straight line while holding the string. D. The ball is thrown in a straight line with the string trailing behind.See screenshot belowWhile coasting on your bike, you make a 90 degrees turn by traveling along a quarter-circle arc. Did you accelerate while you turned? If so, in which direction did you accelerate?