Use formulas or numerical integration with a graphing calculator or computer to evaluate the given definite integral. Round answer to three decimal places.
?
?
A. 1.905
B. 2.858
C. 4.858
D. 8.001
E. 9.716
Answer: B
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Solve the problem.A ball is thrown vertically upward from the top of a building 128 feet tall with an initial velocity of 112 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds does the ball strike the ground?
A. 10 sec B. 8 sec C. 129 sec D. 7 sec
Evaluate the integral using the given substitution.
dx, u = 4x2
A. 
sin (4x2) + C
B. sin(4x2) + C
C. 
sin (4x2) + C
D. 
sin (u) + C
Solved below:
1 At circuit resonance, 2 ã fL = ÄÄÄÄ. Find f when L = 20 mH and 2ãfC C = 130 pF. a. 314 Hz b. 10 KHz c. 98.7 KHz d. 318.3 KHz e. 10.1 MHz
Find the absolute value of the complex number.z = 5 + 7i
A. 
B. 2i
C. i
D. 2