man is walking due east at the rate of of 3kmph and the rain is falling 30° east of vertical with a velocity of 4kmph the velocity of rain relative to the man will be?with figure​

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.

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