An FM radio station broadcasts at 98.6 MHz. What is the wavelength of the radiowaves?
a. 60.8 m
b. 6.08 m
c. 3.04 m
d. 0.314 m
e. 0.33 cm
C
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The figure shows a graph of the acceleration of an object as a function of the net force acting on it. The mass of this object, in grams, is closest to
A) 130. B) 11. C) 89. D) 8000.
The Eiffel tower in Paris is 300 meters tall on a cold day (T = – 5 degrees Celsius). What is its height on a hot day when the temperature is 35 degrees? (It is made of iron which has a coefficient of linear expansion of 0.000012 per degree Celsius.)
Consider a brick that is totally immersed in water. The long edge of the brick is vertical. The pressure on the brick is
A) the same on all surfaces of the brick. B) greatest on the face with largest area. C) greatest on the top of the brick. D) greatest on the sides of the brick. E) greatest on the bottom of the brick.
A laser beam is incident from the air at an angle of 30.00° to the vertical onto a solution of Karo syrup in water. If the beam is refracted to 19.24° to the vertical, what is the index of refraction of the syrup solution?