p05 003

background image

3. We are only concerned with horizontal forces in this problem (gravity plays no direct role). We take East

as the

+

x direction and North as

+

y. This calculation is efficiently implemented on a vector capable

calculator, using magnitude-angle notation (with SI units understood).

a =



F

m

=

(9.0



0

) + (8.0



118

)

3.0

= (2.9



53

)

Therefore, the acceleration has a magnitude of 2.9 m/s

2

.


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