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One of the central ideas of general relativity is that freel...

One of the central ideas of general relativity is that freely moving objects travel along geodesics in spacetime, which are paths of minimum proper time. Suppose we have an object moving under the influence of a uniform gravity field g. We are given that the object travels from (x,y)=(0,0) to (x,...

One of the central ideas of general relativity is that freel...

One of the central ideas of general relativity is that freely moving objects travel along geodesics in spacetime, which are paths of minimum proper time. Suppose we have an object moving under the influence of a uniform gravity field g. We are given that the object travels from (x,y)=(0,0) to (x,...

P 1 (projective motion). A bullet is fired from the gun bar...

P 1 (projective motion). A bullet is fired from the gun barrel upward at an angle a to the horizontal with an initial speed of 220 m/s (see Figure below). The distance from the gun barrel to the target on the same horizontal is x = 3000 m. (a) For what value of angle a a bullet will reach the ta...

a) What is the height of a person after 4 seconds? b) Wha...

a) What is the height of a person after 4 seconds? b) What is the greatest distance a person will reach on the bungee chord from their starting position? c) Plot the height of a person attached to the bungee chord as a function of time over the range 0 < t ≤ 8 seconds.

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