Question

The velocity of a wave with a wavelength of 4.700 m and frequency of 54.00 Hz is

Answer 1

Hey

Velocity = Frequency * Wavelength 

Velocity = 54 Hz * 4.7m = 253.8 m/s 

Answer: 253.8 m/s

I hope its help you
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Answer 2

As per the question, the wavelength of a wave  $[\lambda]$ = 4.700 m.

           The frequency of the wave [f] = 54 Hz.

We are asked to calculate the velocity of the wave.

The velocity of a wave is the product of wavelength with frequency of the wave.

         Mathematically   $v\ =\lambda *f$

                                            = 4.700 m× 54 Hz

                                            =253.8 m/s      

Hence, the velocity of the wave given in the question is 253.8 m/s.