"Frequency" just means "often-ness" ... how often something happens.
It's always expressed as
<em>(number of happenings) / (some period of time) .</em>
<span>answer under the link: http: //briskrange.com/7gAl
</span>
The answer is C. p=mv p=18x30 = 540kgm/s
B
because it will pick it up while coming down not just flowing on low land<span />
