Calculus-Based Physics by Jeffrey W. Schnick - HTML preview

Chapter 11 Relative Velocity

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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