A car moving at 36 ms passes a stationary police car whose
A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is the change in the frequency (in Hz) heard by an observer in the moving car as he passes the police car? (The speed of sound in air is 343 m/s.)
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a mass of 1000kg hangs at the end of a steel rod 50m in length the diameter of the rod is 8 cm and youngs modulus for
questionnaire to gain insight into peoples attitudes toward online shopping to determine the attributes relevant to
course conclusion paper 200 points this will be a concluding paper for the course the theme of this paper will be
a brown colored salt contains a cation from group 3 fe mn ni it has no reaction with concentrated h2so4 and produces a
a car moving at 36 ms passes a stationary police car whose siren has a frequency of 500 hz what is the change in the
for feco3 dissolving in acid solution the value of keq is 066 calculate the concentration of fe2 in a solution obtained
a what is the gauge pressure of ocean water at a depth of 736 m the density of ocean water is 1035 kgm3 kpab what is
the ionization energy for sodium is 496 kjmol the electron affinity for chlorine is -349 kjmol use these values and
when scuba diving you must equalize the pressure inside your body with the water outside every few meters you dive
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