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Hello,   I'm taking a summer course in college physics and am reviewing some practice questions to prepare for my oncoming exam. I'd really appreciate some help on this question that...

I have some difficulties solving the weak form of the PDE: The proof of the preceding statement is elementary. The weak form of the PDE ∇·(A(x)∇u)+ω^2*q(x)*u = 0 for all φ that vanish at ∂?. Could...

A long string of length 1.5 m is made of steel . The tension in it produces elastic strain of 1% . calculate its fundamental frequency ?    89 Hz   178 Hz   356 Hz ...

Wind is blowing west to east along 2 parallel tracks .Two trains moving with the same speed in opposite direction have the steam track of one double than the other .the speed of each train is ?   3...

A small loop of wire with radius 2 cm is placed in a uniform upward magnetic field. By what factor does the flux change if the radius of the loop is increased to 8 cm?

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