Calculus 5e_Part270

# C what is the value of x0 r t dt why 68 as we will see

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Unformatted text preview: that we can’t deﬁne k y te kt dt M y f x dx lim y f x d x tl t 62. The average speed of molecules in an ideal gas is v 4 s M 2RT 32 y 0 v 3e Mv 2 2RT dv where M is the molecular weight of the gas, R is the gas constant, T is the gas temperature, and v is the molecular speed. Show that v 8RT M 63. We know from Example 1 that the region x, y x that by rotating ﬁnite volume. 0 t 1, 0 y 1 x has inﬁnite area. Show about the x-axis we obtain a solid with For the radioactive carbon isotope, 14 C, used in radiocarbon dating, the value of k is 0.000121. Find the mean life of a 14 C atom. 69. Determine how large the number a has to be so that y 65. Find the escape velocity v0 that is needed to propel a rock...
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