At rush hour the noise from a highway is 104 wm2 with 100
At rush hour, the noise from a highway is 10?4 W/m2 with 100 cars passing a given point a minute. At night the average noise is reduced to 10?6 W/m2. How many cars are now driving on the highway?
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a simple harmonic oscillator takes 12 s to undergo 5 complete vibrations find a the period of its motion b the
a 1 kg block attached to a spring with force constant 25 nm oscillates on a horizontal frictionless air track at t 0
a long rope is suspended from the ceiling waves are started from the bottom traveling up the rope it is observed that
a proton is shot at 5x107 ms toward a gold atom with a mass 197 times t hat of the proton and deflects it straight back
at rush hour the noise from a highway is 104 wm2 with 100 cars passing a given point a minute at night the average
a spherical weather balloon is filled with hydrogen until its radius is 340 m its total mass including the instruments
a jet pilot takes his aircraft in a vertical loop a if the jet is moving at a speed of 1200 kmh at the lowest point of
a microwave oven can heat 205 of water from 200 to 900 in 200 if the wavelength of the microwaves is 152 how many
unless otherwise stated all objects are located near the earths surface where 98 a hockey puck with a weight of 10 is
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