Physics
The system shown in the figure is in equilibrium. A 15 kg mass is on the table. A string attached to the knot and the ceiling makes an angle of 54◦ with the horizontal. The coefficient of the static friction between the 15 kg mass and the surface on which it r...
Math
If f(x) = │(x² – 50)│, what is the value of f(-5) ?
SAT Math
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
Math
would someone please solve this
Math
how would i make r the subject of the formulae: w=ar/R-r
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