Aball is thrown upward from the ground. at a helght of 10 meters above the ground, the ball has a potential energy of 50 joules (with the potential eneray equal to zero at ground level) and is moving upward with a kinetic energy of 50 joules. air friction is negligible. the maximum height above ground reached by the ball is most nearly
a. 10 m
b. 20m
c. 30 m
d. 40 m
e. 50 m
Answers: 2
Physics, 22.06.2019 13:40, sbudlove2838
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
Answers: 1
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