The period of a sound wave is doubled, yet the speed of the wave remains the same. By what factor does the wavelength change? A. quartered
B. halved
C. remains the same
D. doubled
E. quadrupled

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

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Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?