Physics, 21.08.2019 04:00 lizredrose5
Explain why a golf ball and a basketball can have the same momentum when both of them are moving, and then why an x-ray photon and an infrared photon can't have the same momentum. be specific; no equations or math. b) x-ray photons hit the surface of a block of aluminum (work function 4.08 ev) and knock off electrons with a maximum speed of 2.87x106 m/s. calculate the photons' wavelength c) other photons now strike the aluminum block, but no electrons are ejected. how do these photons differ from the photons from part (b)? explain without equations or further calculation.
Answers: 3
Physics, 22.06.2019 23:00
Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.
Answers: 1
Physics, 23.06.2019 00:20
Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)
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Physics, 23.06.2019 04:31
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
Explain why a golf ball and a basketball can have the same momentum when both of them are moving, an...
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