Suppose you are at a track where 7 joggers are doing laps. their speeds are 5, 5, 4, 3, 7, 8, and 9 mph. calculate their average speed, then calculate their RMS speed

Average speed = 5.9 mph

RMS speed = 6.2 mph

Explanation:

The average speed is

The rms (root-mean-square) value, as the name indicates, is the square root of the mean of the sum of the squares of the speeds.

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answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

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explanation: