A person with perfect pitch sits on a bus bench listening
A person with perfect pitch sits on a bus bench listening to the 451 Hz horn of an approaching car. If the person detects a frequency of 486 Hz, how fast is the car moving?
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starting from a rest a car accelerates at 23 ms2 up a hill that is inclined 59 degrees above the horizontal how far
to stop a car first you require a certain reaction time to begin braking then the car slows under the constant braking
a particle leaves the origin with an initial velocity v24msx and moves with constant acceleration a-190 ms2x 320ms2y
a bat moving with a speed of 325 ms and emitting sound of 360 khz approaches a moth at rest on a tree trunka what
a person with perfect pitch sits on a bus bench listening to the 451 hz horn of an approaching car if the person
when you drop a rock into a well you hear the splash 10 seconds latera how deep is the wellmb if the depth of the well
a particle moves horizontally in uniform circular motion over a horizontal xy plane at one instant it moves through the
a hot-air balloon is ascending at the rate of 10 ms and is 97 m above the ground when a package is dropped over the
a tiny ball of mass 0425 g is suspended by a thread of negligible mass in a horizontal electric field of 400 nc if the
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