Two trains are moving with equal speed in opposite directions along two parallel tracks. If the wind is blowing with speed u along the track so that the relative velocities of the trains with respect to the wind are in the ratio 1:2, then the speed of each train must be A. u B. 2 u C. 3 u D. 4 u

the answer is a. the yacht traveled from the dock north to the 200-meter marker in the bay in less than 5 minutes, giving the passengers several more hours to fish.

im doing peak rn so sry if its wrong

multiply 2kg by latent heat of vap

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge

overcharge is the right answer system