Consider the curve f(x) = A cos(2?x/?). The wavelength of the wave will be:
a.
the distance 0 to A.
b.
twice the distance 0 to A.
c.
the distance x2 to x3.
d.
twice the distance x2 to x3.
d
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A 25.0-V potential source (a battery) is connected across the plates of a 6.66-µF air-filled parallel-plate capacitor having plates that are 1.22 mm apart. What energy density does it produce between the plates? (?0 = 8.85 × 10-12 C2/N ? m2 )
What will be an ideal response?
A nucleus undergoes beta decay. Which of the following statements is true?
A. The daughter element has the same number of protons as the parent. B. The daughter element has fewer protons than the parent. C. Both daughter and parent elements have the same atomic number. D. The daughter element has more protons than the parent.
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Indicate whether the statement is true or false
A student adds two displacement vectors that have the magnitudes of 12.0 m and 5.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?