Answer:
5.59 m/s2
Explanation:
F = 1900 N
m = 340 kg
F = ma
Therefore, a = 1900/340 = 5.59
The answer is C. You divide 4000 kg/s by 115 kg.
Answer:
Explanation:
Wavelength of sound produced is given as
now we know that the frequency of sound is given as
frequency of the other sound is given as
now the beat frequency is given as the difference of the frequency