What Does T Represent in Hockey Force Problems?

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AI Thread Summary
In the context of hockey force problems, the symbol "T" typically represents a unit of torque or tension, but in this case, it is likely a misinterpretation. The discussion clarifies that "T" does not refer to time, as the players strike the puck simultaneously. Participants speculate on various meanings, including temperature and torque, but consensus on its exact definition remains unclear. The focus is on understanding the notation used in physics problems related to force. Clarifying the meaning of "T" is essential for solving the problem accurately.
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Homework Statement



A problem about two hockey players simultaneously striking a puck. I don't need an answer for the problem. But I'd like to know what the symbol T means. It is in reference to: one player strikes the puck with 350N force at 020.0T. What is this T? I don't think it's time because the problem says the players hit the puck simultaneously.

Homework Equations



F=ma

The Attempt at a Solution


Temp? Torque? Time?
 
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uh...good question.
 
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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