Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. If a 2-watt resistor has a resistance of 18 ohms, find the largest number of volts of electricity that could be placed across the resistor.
A. 12 volts
B. 6 volts
C. 36 volts
D. 3 volts
Answer: B
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. Express angle A in terms of c. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = cos-1
B. A = sin-1
C. A = sin-1
D. A = cos-1
Mathematics
Express the transform of the given expression in terms of s and ?.y" + 6y' + 2y, f
= -1, f'
= 2
A. ?
+ s + 4
B. ?
- s - 8
C. ?
+ s + 4
D. ?
+ s + 6
Mathematics
Write in scientific notation.27,000,000
A. 2.7 × 106 B. 2.7 × 10-6 C. 2.7 × 10-7 D. 2.7 × 107
Mathematics
Solve the initial value problem for y as a function of x.x =
, x ? 4, y(4) = 0
A. y = - x + 4
B. y =
C. y = 4
D. y = 4 ln
Mathematics