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Question: A university campus radio transmitter transmits at a power of 1576 W at a frequency of 90.6 MHz. How many photons are emitted per second by the transmitter? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A wooden raft has a mass of 45 kg. When empty it floats in water (density 1000 kg/m3) with 68% of its volume submerged. What mass of sand could be put on the raft without it sinking.
How much more energy does the object emit as blackbody raidation at the higher temperature compared to the lower temperature?
An AC voltage source, with a peak output of 200V is connected to a 50 ohm resistor. What is the rate of energy dissipated due to heat in the resistor
A .005 kg block having a velocity of 500 m/s hits a 5 kg wooden block at rest on a horizontal at an angle of 30 degrees from the horizontal
A car starts from rest and travels for 4.7 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes, How far has the car gone from its start
A 4.6 long, 480 steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.
In this lab we will be determining the specific heat of two metal samples and comparing them to accepted values. Why is it a good idea to start with room temperature water in the calorimeter
a line of positive charge is formed into a semicircle of radius r 57.1 cm.the charge per unit length along the
A soccer ball lying on the ground is kicked with an initial velocity of 10.0 m/s at an angle of 37 degrees above the horizontal. How far over does it land on the ground?
We want to make a quarter-wave (λ/4) plate at free space wavelength λ0=633nm using a birefringent material with nfast= 2.23 and nslow=2.25 at that wavelength. Find the required thickness, D.
An ideal gas of p=1000 hPa, V=1 m3, T=20 C undergoes the following successive changes: (1) it is warmed under constant pressure until its volume double, (2) it is warmed under constant volume until its pressure doubles, and (3) it expands isothermall..
An AM radio transmitter broadcasts 60.7 kW of power uniformly in all directions. Find the maximum electric field strength at this distance
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