Help with Kinematics: Constant & Parabola

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The discussion focuses on identifying specific terms related to kinematics. A seven-letter synonym for "constant" is sought, likely referring to "constant velocity." Additionally, a six-letter word is needed to describe the shape of a velocity vs. time graph for an object under constant acceleration. Participants clarify that the graph does not represent a horizontal line, indicating a misunderstanding. The conversation emphasizes the importance of precise terminology in physics.
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Homework Statement



a different 7 letter term for constant
a 6 letter word for the shape of a velocity vs time graph when the object is traveling with constant acceleration

Homework Equations





The Attempt at a Solution


the second one is a horizontal line or zero slope but i need a 6 letter word and here's a tip its 6 letters with the 5 letter being an a
 
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Welcome to PF!

Hi tolu! Welcome to PF! :smile:
tolu said:
a different 7 letter term for constant

Hint: I think they're thinking of constant velocity. :wink:
a 6 letter word for the shape of a velocity vs time graph when the object is traveling with constant acceleration
…
the second one is a horizontal line or zero slope

erm … no it isn't. :redface:
 
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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