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A 0.045-kg golf ball hangs by a string from the rearview mirror of a car, The car accelerates in the forward direction with a magnitude of 1.7 m/s2
What angle does the string make with the vertical?
What is the tension in the string?
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A hydrogen atom emits a photon as its electron changes from n = 5 to n = 2. For the H atom, E n = -2.18E-18*(1/n 2 ) J. What is the wavelength (in m) of the photon? ( ) m The number of significant digits is set to 3; t ...
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