Solve Physics 2 Lab Problem with Attached Help - Expert Tips Included!

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The user is seeking assistance with a specific Physics 2 lab problem, expressing uncertainty about how to approach it. They mention that the link to the problem is not functioning and have also posted the same issue in an advanced physics forum for additional help. The request emphasizes the urgency and importance of receiving guidance. The user appreciates any support offered in solving the problem. Overall, the discussion highlights a need for expert tips to tackle the lab challenge effectively.
carley132
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I have the problem attached to this. Any help would be AMAZING. I just don't know what to do for this problem.
Thanks in advance!
 

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link doesn't seem to be working.
 
i put the same problem up under the advanced physics forum in a doc file also if you wouldn't mind looking there
 
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
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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