If the force on a body at a certain point is known to be zero, does this necessarily imply that the potential energy is zero at that point?

yep

Explanation:

(:

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Explanation:

1.5m

Explanation:

Velocity=1500m/s

Frequency=1000hz

Wavelength =velocity ➗ frequency

wavelength =1500 ➗ 1000

Wavelength=1.5m