10 1.
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fungsi dari pemberian zat aditif adalah
di
tid
a. memperlama daya tahan makanan
b. memberikan efek sindrom restoran
Cina
c. mempertahankan nilai gizi
d. memberikan bau yang nikmat
79
sel

Where do magnetic lines of force enter earth?

An alpha particle with kinetic energy 12.5 mev makes a collision with lead nucleus, but it is not "aimed" at the center of the lead nucleus, and has an initial nonzero angular momentum (with respect to the stationary lead nucleus) of magnitude l = p0 b, where p0 is the magnitude of the initial momentum of the alpha particle and b=1.40×10−12 m. (assume that the lead nucleus remains stationary and that it may be treated as a point charge. the atomic number of lead is 82. the alpha particle is a helium nucleus, with atomic number 2.) what is the distance of closest approach?

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