Solve the problem.The amplitude of an alternating voltage V = V(t) is sometimes indicated by giving the rms (root mean square) voltage, which is the square root of the average value of V2. Find the rms voltage if  over the period  to t = 1/60 s.

A. 153.3 V
B. 0.1 V
C. 23,500.9 V
D. 265.6 V


Answer: D

Mathematics

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Find the limit.

A. ?
B. - 
C. -?
D.

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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.6 + 6

A. 36
B. 12
C. 24
D. -36

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Write the vector in the form . If necessary, round values to the nearest hundredth.

A.
B.
C.
D.

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Solve the problem.One rope pulls a barge directly east with a force of 53 N, and another rope pulls the barge directly north with a force of 90 N. Find the magnitude of the resultant force acting on the barge.

A. 4770 N B. 143 N C. 37 N D. 104 N

Mathematics