A state trooper chases a speeder along a straight stretch
A state trooper chases a speeder along a straight stretch of road; both vehicles move at 136 km/h. The siren on the tropper's vehicle produces a sound of 490 Hz. What frequency is heard by speeder? (Take the speed of sound in air to be 343 m/s.)
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a violin string 125 cm long and fixed at both ends oscillates in its n 5 mode the speed of waves on the string is 268
a horizontal block-spring system with the block on a frictionless surface has total mechanical energy e 410 j and a
a tuning fork of unknown frequency makes 5 beats per second with a standard fork of frequency 377 hz the beat frequency
an ethernet cable is 415 m long and has a mass of 0195 kg a transverse pulse is produced by plucking one end of the
a state trooper chases a speeder along a straight stretch of road both vehicles move at 136 kmh the siren on the
a body oscillates with simple harmonic motion according to x 90 m cos30pi radst pi3 rada at t 100 s what is the
a certain loudspeaker system emits sound isotropically with a frequency of 2270 hz and an intensity of 105 mwm2 at a
the speed of an electron is known to be between 30times106ms and 33times106ms estimate the uncertainty in its position
after 600 kg of water at 792 oc is mixed in a perfect thermos with 300 kg of ice at 00 oc the mixture is allowed to
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