How Do Velocities Affect the Mass Ratio of Skaters?

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The discussion centers on a physics problem involving two objects moving along the x-axis at different velocities, specifically 37 m/s and -19 m/s. Participants express confusion over how to determine the mass ratio of the two objects given only their velocities. It is noted that without additional information about the objects' masses or the context of their motion, the problem cannot be solved accurately. The example of varying object types, such as trucks versus ants, highlights the ambiguity in the question. Ultimately, the consensus is that more information is needed to calculate the mass ratio.
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Homework Statement


Two objects are moving along the x-axis with velocities of 37 m/s (object 1) and -19 m/s (object 2). (b) What is the ratio of their masses


Homework Equations





The Attempt at a Solution

No idea
 
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It is not possible to solve the problem as stated. Could be a couple of 18 wheeler trucks or two ants.
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
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Thread 'Collision of a bullet on a rod-string system: query'

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In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
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Thread 'A cylinder connected to a hanging mass'

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Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
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