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compare 900 on the am dial to 90 on the fm dial which has the longer wavelength by what factor is it
light is emitted from an ordinary lightbulb filament in wave-train bursts about 10 -8 s in duration what is the length
a generator uses a coil that has 330 turns and a 034-t magnetic field the frequency of this generator is 600 hz and its
a wire 1 meter long and has a mass of3kg it is streached was a tension of 34n what is the speed of any wave sent down
a car mass 1170 kg is traveling at 42 ms when it collides head-on with a sport utility vehicle mass 2330 kg traveling
a wagon is rolling forward on level ground friction is negligible the person sitting in the wagon is holding a rock the
a baseball m 138 g approaches a bat horizontally at a speed of 386 ms 86 mih and is hit straight back at a speed of
suppose that the volume of hydrogen gas at stp collected at the cathode in an electrolysis experiment is 8 ml how many
the tension in a steel wire of 27m long and 10 cm in diameter p 7800 kg m 3 is 840 n what is the fundamental
a sinusoidal wave travels along a stretched point a point along the string has a max velocity of 1ms and a max
it is desired to construct a solenoid that will have a resistance of520at 20degc and produce a magnetic field of
a person runs up a long flight of stairs in 10 seconds if the persons weight is 500 n and the vertical height of the
a ball is thrown straight upward with an initial speed of 25 ms assuming there is no air resistance how high does the
a bicyclist starts from rest at the top of a hill and rolls down the hill without pedaling assuming there is no
a railroad car with a mass of 25000 kg rolls into a second stationary car with a mass of 50000 kg the cars latch
consider a 53-cm-long lawn mower blade rotating about its center at 3400 rpma calculate the linear speed of the tip of
a cyclist approaches the bottom of a gradual hill at a speed of 11 meters per second the hill is 50 meters high and the
a simple pendulum has a length of 070 m and a mass of 075 kg the amplitude of oscillations of the pendulum is 300 cm
you have a small electromagnet that consumes 350 w from a residential circuit delivering 110 v at 600 hz using your ac
an airplane propeller is 308 in length from tip to tip and has a mass of 152 when the airplanes engine is first started
a mass m1 899 kg at rest on a horizontal frictionless surfaceand connected to a wall by a spring with k 700n m
if light is measured traveling through some medium at 090c where c represents the speed of light in a vacuum what is
a 600 kg block starts from rest and slides down a frictionless surface incline when the block has slid a distance 200 m
a 60 g ball is tied to the end of a 50 cm --long string and swung in a vertical circle the center of the circle as
the radius of the earths very nearly circular orbit around the sun is 15x1011a find the magnitude of the earths