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Physics
Physics
Problem
A particle moves from point
A
(
2
m
,
−
1
m
)
A(2\,\text{m},\,-1\,\text{m})
A
(
2
m
,
−
1
m
)
to point
B
(
7
m
,
9
m
)
B(7\,\text{m},\,9\,\text{m})
B
(
7
m
,
9
m
)
in the
x
y
xy
x
y
-plane. Calculate: (i) the magnitude of its displacement, and (ii) the angle that this displacement makes with the positive
x
x
x
-axis.
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