The factory has a choice of two beta- Sources. Source Hafe Barium119 85 minutes Strantium-90 28 years Eving your reasons, which of these sources is the most suitable for this application
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A: D
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A: A
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A: Option b
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A: Option b
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A: A
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A: C
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A: Option d
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A: D
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A: C
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A: Option a correct
Q: How would you solve?
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A: Force exerted by the sun = Centripetal force F = Mrω2 F = 6×1024×1.5×1011×(2×10-7)2 = 36×1021 N
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A: C
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A:
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A: B option
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A:
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A: Option
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A:
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A: Option c
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A: Option b
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A: Option
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A:
Q: Please solve it.Thank you
A: En= hω40a+a+40also, we know a n>=nn-1>a+ n>=n+1n+1>a+a+4 can be written as ,a+a+a+a+a+a+...
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A: D option
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A: A
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A: True
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A: True
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A: Option b
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