All forces have specific directions associated with them
a. True
b. False
Indicate whether the statement is true or false
True
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A horse and rider travel in a region in which the vertical component of the Earth’s magnetic field is 0.035mT, while the horizontal component is 0.022mT. Attached to the horse’s bridle is a metal bit, a cylinder approximately 15cm long, in the horse’s mouth that is oriented horizontally. If the horse is galloping at 15m/s, what is the induced potential difference between the ends of the bit?
A. 79mV B. 93mV C. 50?V D. 93?V E. 50mV F. 79?V
Consider an experiment where we send monochromatic light to a distant screen through a single narrow slit. The distance between adjacent dark fringes in the diffraction pattern displayed on the screen (A) increases, (B) decreases, or (C) remains the same if, The wavelength of the light increases.
A. Increases B. Decreases C. Remains the same
If you found absorption from _________ in the spectrum of a planet, you could conclude that it might contain some form of life.
a. oxygen b. methane c. water vapor d. oxygen, methane, or water vapor
The radioactive isotope 131I (atomic number 53 ) decays to the isotope 131Xe (atomic number 54). What type of radioactive decay is this?
A) electron capture B) electron ionization C) beta decay D) alpha decay