Help understanding a vectors question

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N25°W indicates a direction that is 25 degrees west of true north. This notation is commonly used in navigation and vector analysis. The clarification confirms that the angle is measured from the north towards the west. Understanding this directional notation is essential for interpreting vectors accurately. The discussion provides a straightforward explanation for those new to the topic.
daniw871
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Hey guys sorry if this isn't in the right place, I'm new to these forums. Just wondering if someone could clarify to me what N25°W means? Is it 25 degrees west of north? Thank you!
 
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Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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