Solve the problem.Two voltages, V1 = 80 sin(110?t) and 
are added in a circuit to produce the sum 
Graph V in 
by 
and use the graph to estimate values for a and k so that 
A. a = 170; k = 1.0808
B. a = 170; k = 373.5108
C. a = 170; k = 169.317
D. a = 17; k = 1.0808
Answer: A
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Solve the problem.A vertical right circular cylindrical tank measures 
high and
diameter. It is full of oil weighing 
. How much work does it take to pump the oil to the level of the top of the tank? Give your answer to the nearest ft ? lb.
A. 1,642,173 ft ? lb B. 27,370 ft ? lb C. 3,284,347 ft ? lb D. 6,568,693 ft ? lb
Solve the problem.When the angular displacement ? of a pendulum is small (less than about 6°), the pendulum moves with simple harmonic motion closely approximated by src="https://sciemce.com/media/4/ppg__tttt0610191332__f1q26g5.jpg" alt="" style="vertical-align: -4.0px;" /> and 
where 
g is the acceleration due to gravity, and l is the length of the pendulum. Find ? as a function of time (in sec) if 
when 
A. ? = -2 cos 1.4t + 0.1 sin 1.4t
B. ? = 0.1 cos 1.4t
C. ? = -2 sin 1.4t + 0.2 cos 1.4t
D. ? = -2 sin 1.4t + 0.1 cos 1.4t
Translate the algebraic expression to a word phrase.453x
What will be an ideal response?
Use the figure below. Determine whether the given statement is true or false. 
A + B + C + D + E = 0
A. True B. False