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What is the frequency of a wave that has a speed of 8 ms and a wavelength of 2.0 m?
4 Hz
A 6 pole induction motor is connected to a 415v50hz mainsIt runs at a speed of 960 rpmCalculate the answer of synchronous speed?
Answer 1000 RPM or 16.667 HZ, 50 Hz * 60 = 3000 RPM 3000 / 3 = 1000 RPM, or 50 HZ / 20 (1/3 of 50 Hz) * 60 seconds. Or Hz * 20 ( converts to RPM) For 4 pole then, Hz * 30 = RPM For 8 pole, Hz * 15 = RPM
How many millimeters are there in a quarter of a meter?
250 mm 1/4 of a metre = 25cm 25cm = 250mm
What is the frequency of a wave has a speed of 12cm and a wavelength of 3 cm?
Frequency = (speed)/(wavelength) = (12 cm/sec) / (3 cm) = 4/second = 4 Hz
What is the speed of a wave with the wavelength of 3 m and a frequency at 4 hz?
Speed = (wavelength) x (frequency) = (3 x 4) = 12 meters per second
What is the perimeter of a square if one side is 25cm long?
25cm x 4 sides = 100 cm perimeter
What is synchronous speed?
The speed is determined by the supply frequency and that must be divided by the number of pole-pairs. So a 4-pole motor would run at 1500 rpm on 50 Hz or 1800 rpm on 60 Hz.
A wave with a frequency of 14 hz has a wavelength of 3 meters At what speed will this wave travel?
The speed of a wave is the product of its frequency and its wavelength.
What is the wave speed of a wave that has a frequency of 23.0 Hz and a wave length of 4 m?
Speed = (frequency) x (wavelength) = 23 x 4 = 92 meters per second
What is the Wavelength of an electromagnetic wave if the frequency is 4 x 1014 Hz?
The product of the frequency and wavelength equals the speed of light, c = ƒ• λwhere c is the speed of light in a vacuum, 3.0 x 108m/s, f is the frequency in Hz, and λ is the wavelength in meters.To solve for wavelength, manipulate the equation so that λ = ƒ/c .λ = ƒ/c = (4 x 1014Hz)/(3.0 x 108m/s) = 1 x 106m
What frequency does a photon of wavelength 4.5 10-4 m have?
Frequency = speed/wavelength = 299,792,458/4.5 x 10-4 = 666.21 GHz . (rounded)
What is the speed of 3 phase induction motor?
The formula for synchronous RPM is sRPM = Frequency in HZ x constant of 120/ Number of pole pairs in the motor. An example 60 HZ x 120 /4 = 60 x 120/4 = 7200/4 = 1800 RPM.
