D dagr8est Junior Member Joined Nov 2, 2004 Messages 128 May 14, 2006 #1 a = acceleration v = velocity t = time s = displacement a = dv/dt = d(ds/dt)/dt Then I'm stuck. I know it has something to do with the chain rule but I can't see it. Any help will be appreciated.
a = acceleration v = velocity t = time s = displacement a = dv/dt = d(ds/dt)/dt Then I'm stuck. I know it has something to do with the chain rule but I can't see it. Any help will be appreciated.
skeeter Elite Member Joined Dec 15, 2005 Messages 3,204 May 14, 2006 #2 \(\displaystyle a = \frac{dv}{dt}\) \(\displaystyle \frac{a}{v} = (\frac{dv}{dt}) (\frac{1}{v})\) \(\displaystyle \frac{a}{v} = (\frac{dv}{dt}) (\frac{dt}{ds})\) \(\displaystyle \frac{a}{v} = \frac{dv}{ds}\) \(\displaystyle a = v (\frac{dv}{ds})\)
\(\displaystyle a = \frac{dv}{dt}\) \(\displaystyle \frac{a}{v} = (\frac{dv}{dt}) (\frac{1}{v})\) \(\displaystyle \frac{a}{v} = (\frac{dv}{dt}) (\frac{dt}{ds})\) \(\displaystyle \frac{a}{v} = \frac{dv}{ds}\) \(\displaystyle a = v (\frac{dv}{ds})\)