Based on the data table above, which factor(s) - temperature, frequency, amplitude, or wave speed - affect the speed of sound and how?
Only the temperature affects the speed of sound, and the two are directly
proportional
Only the amplitude affects the speed of sound, and the two are directly
proportional
Both the temperature and the frequency affect the speed of sound, and all
three are directly proportional to each other
Only the frequency affects the speed of sound, and the two are directly
proportional.
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Boxing gloves are padded to lessen the force of a blow. (a) calculate the force exerted by a boxing glove on an opponent’s face, if the glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. (b) calculate the force exerted by an identical blow in the gory old days when no gloves were used and the knuckles and face would compress only 2.00 cm. (c) discuss the magnitude of the force with glove on. does it seem high enough to cause damage even though it is lower than the force with no glove?