8) what is the linear velocity of a wheel with diameter of
9.0 m rolling at a rate of 7.0 a rad/sec?
a) 200 m/s
b) 4.9 m/s
c) 22 m/s
d) 99 m/s
e) 32 m/s

Ithink the answer is a

Centrapedial force is the answer

Molybdeum(mo)orruthenium (ru)actually, elements with similar chemical properties as technetium would bemn, re, and bh. this is because elements in the same group/family (column) have similar chemical properties. elements in the same period (row) have the same number of energy levels (or shells).