Sound is a longitudinal wave.
This is called average speed.Its really simple
Bandwagon advertising is basically persuading people to join something or buy something because, "everyone else is."
For example: "Vote for Charlie to be the class president! Everyone else is!"
The statement "<span>The motion of a pendulum for which the maximum displacement from equilibrium does not change is an example of simple harmonic motion." is true.
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Answer:
the ball is rolling 7m/s
Explanation:
Formula for kinetic energy: 1/2mv²
K = 1/2mv²
98 = 1/2(4)v²
98 = 2v²
49 = v²
√49 = v
7 = v
