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karush
Well-known member
- Jan 31, 2012
- 2,820
View attachment 1341
for (i) just did \(\displaystyle 16^2+12^2=400\) so \(\displaystyle \sqrt{400} = 20\) km
but don't know how they got the \(\displaystyle 13 \frac{km}{min}\)
there are some more ? on this involving the displacement vectors but want to get this (a) part done first.
for (i) just did \(\displaystyle 16^2+12^2=400\) so \(\displaystyle \sqrt{400} = 20\) km
but don't know how they got the \(\displaystyle 13 \frac{km}{min}\)
there are some more ? on this involving the displacement vectors but want to get this (a) part done first.
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