Physics, 26.02.2020 05:21, Neko1kat

A child of mass 27 kg swings at the end of an elastic cord. At the bottom of the swing, the child's velocity is horizontal, and the speed is 10 m/s. At this instant the cord is 3.40 m long. (Take the x direction to be horizontal and to the right, the y direction to be upward, and the z direction to be out of the page.)

At this instant, what is the magnitude of the rate of change of the child's momentum?

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A child of mass 27 kg swings at the end of an elastic cord. At the bottom of the swing, the child's...