We have that the instantaneous velocity of the
shuttlecock when it hits the ground is

From the question we are told
Assuming the acceleration is still -9.81 m/s2, what is the instantaneous velocity of the
shuttlecock when it hits the ground? Show your work below.
Generally the equation for acceleration is mathematically given as

Where
acceleration is still -9.81 m/s2,
Hence,

Therefore

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Explanation:
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Answer:
All the different materials that make up our world – the elements listed on the periodic table – are all made up of atoms. The particles that make up atoms – protons, neutrons, and electrons – are condensed forms of energy that interact with each other and give rise to an element’s characteristics.
Explanation:
Answer:
a. sinusoidal wave
Explanation:
As we know that the medium particle will move in SHM when disturbance travel through the medium
Here the wave propagation through many ways are possible through the medium
When medium particles performs SHM then in that case the wave equation is given as

so we have above equation of wave must be sinusoidal equations
so correct answer will be
a. sinusoidal wave