For the simple harmonic motion d = 9cos (pi//2t), what is the maximum displacement from the equilibrium position?

The maximum displacement from the equilibrium position is 9.

Step-by-step explanation:

The given simple harmonic motion is:

Differentiating above equation with respect to t, we get

⇒

Again differentiating the above equation with respect to t, we have

Now,

⇒

⇒

⇒

⇒

Substituting the value of t=0 in d, we get

⇒

⇒

⇒

⇒

Therefore, the maximum displacement from the equilibrium position is d= 9.

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6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.