Which of the following could be the molecular formula for an alkane?
a. C5H5
b. C7H14
c. C4H7
d. C10H18
e. C4H10
e
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Mass on a Spring: A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same?
A. 0.017 m B. 0.029 m C. 0.12 m D. 0.17 m
Which of the following is not a vector quantity?
A) velocity B) speed C) acceleration D) all are vector quantities E) none are vector quantities.
An ionic compound formed from a cation other than H+ and an anion other than OH- is called a(n) ______________
Fill in the blank(s) with correct word
If a person has a shiny nose, applying powder will remove the shine without reducing the amount of light reflecting from the nose. This is an example of
A. polarization. B. specular reflection. C. diffuse reflection. D. diffraction.