Physics
A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel to the y-z plane (...
Math (Geometry)
45*45=25*x x=81
math
a/b=1/2 3
math
6!-5!*2=480
algebra!!!! please help me!!!!
468
maths
69
maths
wrong....the correct answer is 840
physics
hard
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