Which of the following has the shortest wavelength, assuming that they all have the same speed?
A) electron
B) water molecule
C) baseball
D) helium atom
E) None of these objects have wavelengths of any kind.
C
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Engineers are designing a curved section of a highway. If the radius of curvature of the curve is at what angle should the curve be banked so that a car traveling at 29.0 m/s will stay on the road without the aid of frictional forces?
A) 23.9° B) 16.7° C) 21.0° D) 26.1°
A sample contains 
The half-life of 
years. What is the activity of the sample?
A. 3300 Bq B. 1250 Bq C. 382.0 Bq D. 265.0 Bq E. 3.000 Bq
In an isotropic material subject to a hydrostatic stress, the volumetric strain is equal to _____________times the strain in the x direction.
Fill in the blank(s) with the appropriate word(s).
Which of the following experiments demonstrate the wave properties of light?
A. photoelectric effect B. Compton effect C. diffraction effect D. pair production