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Two radio waves are used in the operation of a cellular phone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter station or base unit. To send your message to the base unit, your phone emits its own wave at a different frequency. The difference among these two frequencies is fixed for all channels of cell phone operation. Suppose the wavelength of the wave emitted by the base unit is 0.34592 m and the wavelength of the wave emitted by the phone is 0.36164 m. using the value of 2.9779 108 m/s for the speed of light, establish the difference between the two frequencies used in the cell phone operation.
200 Btu are transported into a system via a work mode and 75 Btu are removed via heat transfer mode. Determine the net energy gain for this system
A piece of cheese with a mass of 1.11 kg is placed on a vertical spring of negligible mass and a force constant k= 2000N/m that is compressed by a distance of 17.9cm
A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor?
Describe what the Zeroth Law of Thermodynamics is in your own words. Also, draw a scenario that verifies the Law is accurate. State the other Laws of Thermodynamics
a 900-kg car is moving at 33.3 ms. a braking force of -7548 n is applied for 2.70 s. what is the velocity of the car
70 grams of water at 85°C are mixed with an equal amount of water at 15°C in a completely insulated container. How much heat is gained by the cold water
a rabbit runs in a straight line with a velocity of 1.4 ms for a period of time rests for 12 s and then runs again
The potenial energy for the force between two atoms in a diaomic molcules a-b has he approximate form v(x)= (-a/x^6 )+ (b/x^12), find the frequancy for small vibration
You have a string with a mass of 0.0129 kg. You stretch the string with a force of 9.67 N, giving it a length of 1.95 m. What is the wavelength of the standing wave you create in the string
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.75 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bright..
The ball rebounds straight upward to a height of 0.700 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
The intensity levels of two people holding a conversation are 60 dB and 70 dB, respectively. What is the intensity of the combined sounds
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