(this one is just for fun) a number is divisible by 3 if the sum of its digits is divisible by 3 a number is divisible by 6 is the sum of its digits is divisible by 3, and the number is even. a number is divisible by 9 if the sum of its digits is divisible by 9. a number is divisible by 11 if the alternating sum of its digits is divisible by a multiple of 11 (so divisible by 0, 11, 22, 33, etc - don't forget the zero, that is also a multiple of 11). for example, the number 2354 is divisible by 11 since 2-3+5-4=0. the number 9680 is divisible by 11 since 9-6+8-0=11 c given that information for what values of a and b is the number 12ab divisible by 99?
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Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
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Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Physics, 22.06.2019 21:10
Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate
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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.
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(this one is just for fun) a number is divisible by 3 if the sum of its digits is divisible by 3 a n...
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