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Problems
For
r
(
t
)
=
R
cos
(
ω
t
)
i
^
+
R
sin
(
ω
t
)
j
^
\mathbf{r}(t)=R \cos (\omega t) \hat{\mathbf{i}}+R \sin (\omega t) \hat{\mathbf{j}}
r
(
t
)
=
R
cos
(
ω
t
)
i
^
+
R
sin
(
ω
t
)
j
^
,…
Physics
Problem
For
r
(
t
)
=
R
cos
(
ω
t
)
i
^
+
R
sin
(
ω
t
)
j
^
\mathbf{r}(t)=R \cos (\omega t) \hat{\mathbf{i}}+R \sin (\omega t) \hat{\mathbf{j}}
r
(
t
)
=
R
cos
(
ω
t
)
i
^
+
R
sin
(
ω
t
)
j
^
, find the magnitude of velocity and show that it is constant.
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