Tripling the displacement from the equilibrium of an object in simple harmonic motion will change the magnitude of an object's maximum acceleration by what factor?
a. 9
b. 1/3
c. 6
d. 3
Answer: d. 3
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The ionization energy of the hydrogen atom is 13.6 eV. What is the wavelength of a photon having this much energy? (h = 6.63 × 10^?34 J?s, c = 3.00 × 10^8 m/s, 1 eV = 1.6 × 10^?19 J, and 1 nm = 10?9 m)
a. 91.4 nm b. 136 nm c. 273 nm d. 360 nm
A particle moving along the x axis has a position given by x = (24t – 2.0t3) m, where t is measured in s. What is the magnitude of the acceleration of the particle at the instant when its velocity is zero?
a. 24 m/s2 b. zero c. 12 m/s2 d. 48 m/s2 e. 36 m/s2
A thin lens of focal length 12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. What is the size and orientation of the image?
A. 4.0 cm, inverted B. 4.0 cm, upright C. 8.9 cm, inverted D. 8.9 cm, upright E. 25 cm, upright
The most basic of the sciences of physics, chemistry, and biology is
A) physics. B) chemistry. C) biology. D) none of the above