# Field Physics

Jun 17th, 2015
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A field is a physical quantity that has a value for each point in space and time.[1] For example, in a weather forecast, the wind velocity during a day over a country is described by assigning a vector to each point in space. Each vector represents the direction of the movement of air at that point.

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PHYSICSPANEL PENGGUBAL:1.EN. WONG KOK WAHSMK TUN HABAB , KOTA TINGGI2.EN. YUNG SEE BOONSMK DATO BENTARA LUAR,BATU PAHAT3.EN. TIOH KON POOSMK YONG PENG, BATU PAHAT4.EN. ABU BAKAR BIN IBRAHIMSM SAINS SULTAN ISKANDAR,MERSING5.PN. LIM SEANG KEESMK DATO JAAFAR, JOHOR BAHRUUnit 1Objective: By the end of the lesson students should be able to:State the definition of wave.Explain the propagation of sound waves.A. Waves1. A wave is a disturbance which moves with a fixed velocity through a medium. The wave form does not vary while in motion.B. Propagation of Sound Waves1. To produce sound waves, we must have (a) vibrating object and (b) a medium for the sound waves to propagate2. Sound waves propagate pulses of pressure through the medium.3. Sound waves are mechanical longitudinal waves.Self Test 11. What are the two different types of wave?2. What is the difference between transverse and longitudinal wave motion?3.The transverse wave in a string is represented by the equation where x and y are measured in centimeters and t in seconds. The phase difference between two points 0.20 cm apart on the wave is A. 0.11 radB. 0.13 radC. 0.20 radD. 0.63 rad4.The equation for a wave motion is represented by where x and y are in meter and t in seconds.Calculate(a)amplitude, (b)wavelength,(c)speed, of the wave.5.The equation of a transverse wave traveling along a st

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