Tarzan with a mass of 56.2 kg stands atop a branch in the African rain forest. He grabs this 28.7 m long vine and swings out. Initially the vine made an angle of 33.0° to the vertical when he grabbed it. At the lowest point of his trajectory, he picks up Jane (mass = 43.0 kg) and continues his swinging motion. What angle relative to the vertical will the vine have when Tarzan and Jane reach the highest point of their trajectory?
Answers: 1
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
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