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Motion in two dimensions
We could, of course, have used the velocity vector of the particle
v
(
t
) =
(
1.06
0.44
)
cm/s
for determining the speed of the particle by
v = |
v
| = √( 1.06
2
+ 0.44
2
) = 1.15 cm/s
in agreement with the previously obtained value for the speed, as had to be expected.
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