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Best UK USA UAE Australia Canada China Online Physics Pendulum Question And Answers Homework Help Service Online The mass of the pendulum bob is 450 g. 1.What is the kinetic energy of the pendulum-earth system when the mass goes through the lowest point during the third pass, the second time when is possible […]
Best UK USA UAE Australia Canada China Online Quantum Physics Homework Help Service Online 1.Calculate the period of the swing of this simple pendulum, in seconds, giving your answer to 3 decimal places. You may use g = 9.81 ms-2 and ? = 3.142. Show working. 2.A 3 kg object is moving with […]
Best UK USA UAE Australia Canada China Online Physics Pendulum Problems Homework Help Service Online 1.Quantum phenomena are often negligible in the “macroscopic” world. Show this numerically for the following cases (a) The amplitude of the zero-point oscillation for a pendulum of length I = 1 m and mass m = 1 kg. (b) […]
Best UK USA UAE Australia Canada China Astronomy Questions And Answers Homework Help Service Online 1.Briefly summarize the advantages and disadvantages (if any) of refracting and reflecting telescopes. What is chromatic aberration? 2.What is the “seeing?” What is adaptive optics and how does it get around the problem of “the seeing?” 3.After […]
Best UK USA UAE Australia Canada China Online Astrology Planets And Solar System Homework Help Service Online 1.Describe how the Sun and Moon cause tides on Earth. How, if at all, would you expect the strength of the tide to depend upon the phase of the moon? 2.How is it that the study […]
Best UK USA UAE Australia Canada China Online Physics Astronomy Atomic Theory Homework Help Service Online 1.Describe (in terms of the atomic theory) why the emission or absorption spectrum of an atom may be viewed as a “fingerprint” that can be used to identify the type of atom that is generating the spectrum. […]
Best UK USA UAE Australia Canada China Questions In Astronomy Homework Help Service Online 1.The Sun currently has a radius of 6.96 × 105 km and a surface temperature is 5800K. When the Sun approaches the end of its life it will grow to a “red giant” of radius of about 0.7 AU and […]
Best UK USA UAE Australia Canada China Online Physics Astronomy Light And Telescope Homework Help Service Online 1.The Keck I telescope is based on Mauna Kea in Hawaii and has a mirror of diameter 10.0 m while the Hubble Space Telescope (HST) has a mirror of diameter 2.40 m. What is the light gathering […]
Best UK USA UAE Australia Canada China Online Physics Astronomy Assignment Questions Homework Help Service Online 1.Describe how we measure distance using parallax. What is the practical limitation of this technique, and what is the approximate distance (in parsecs) out to which this technique is useful. 2.Describe how we measure distance using “spectroscopic […]
Best UK USA UAE Australia Canada China Online Physics Astronomy Questions On Stars Homework Help Service Online 1.A red star and a blue star have the same size and are at the same distance from Earth. Which one looks brighter in the night sky? Why? (Ignore the interstellar reddening). 2.What is the fundamental […]