What is the period of a sound wave having a frequency of 340 Hz

2.9x10^-3 secs

Explanation:

Data obtained from the question include:

f (frequency) = 340 Hz

T (period) =?

The period is simply the time taken to make one complete oscillation or vibration. The period is commonly referred to as the inverse of frequency.

T = 1/f

T = 1/340

T = 2.9x10^-3 secs

The period of the wave is 2.9x10^-3 secs

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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