y, North
v
x, East
= 8.50 m/s
W G
By inspection:
v = 8.50 m/s
WGx
v = 0
W Gy
Breaking v
does involve a little bit of work:
BW
y, North
v
BWx
v
sin
BWx
θ = v
BW
v
v
= v
sin θ
BWx
BW
BWy
v = 11.2 m/s
m
φ
BW
v
=
.
o
=
11 2
0
.
15
sin(
)
BWx
s
15.0°
m
v
= 2 899
.
BWx
s
v
BWy
cosθ =
vBW
x, East
v
= v
θ
BWy
cos
BW
m
v
= .
. o
BWy
11 2
15
cos(
0 )
s
m
v
= .
BWy
10 82
s
Now we add the x components to get the x-component of the resultant
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