sierraroeser
09.09.2020 •
Physics
18. A medical institution requests 2 g of bismuth-214, which has a half-life of 20 min. How many
grams of bismuth-214 must be prepared if the shipping time is 2 hours?
a. 128
b. 64
C. 32
d. 16
e. 6
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Ответ:
the south with a speed 6 m / s in relation to the ground. From Rita's point of view, what is the magnitude and direction taking north by reference to the speed