rosaleslesley2806 rosaleslesley2806

05-08-2019
Physics

contestada

An object moves in simple harmonic motion with amplitude 11m and period 4 minutes. At time t = 0 minutes, its displacement d from rest is -11m, and initially, it moves in a positive direction. Give the equation modeling the displacement d as a function of time t.d = ?

Respuesta :

08-08-2019

Answer:

Explanation:

Angular velocity ω = 2π / T = 2 x 3 . 14 / (4 x 60 ) = .026 rad / s.

d = D Sin ( ωt + θ ) where D = amplitude = 11 m θ = initial phase.

-11 = 11 sin ( 0 + θ ) = sin θ = -1 , θ = - π /2

So, d = D Sin ( ωt - θ )

d = 11 Sin ( .026 t - π /2 ) is the required equation.

Answer Link

Otras preguntas

TVLand sells home entertainment systems and also offers a complementary installation service. TVLand estimates that it incurs $40 in labor and materials to comp

Write the phrase as an expression. Then evaluate when y = 20 3 less than the quotient of a number y and 4 Expression: When y = 20, the value of the expression i

You have purchased a new mattress for $2,000, and the store has given you a liquidity loan;take 12 months, same as cash now deal. This means that you do not act

Levi works as a salesperson at an electronics store and sells phones and phone accessories. Levi earns a $8 commission for every phone he sells and a $3 commiss

Consider the equation: S + 3O2 and SO3. Is this equation balanced? why or why not

2. In Game 1, Emerson struck out 30 times in 90 times at bat. In Game 2, he struck out 40 times in 120 times at bat. In Game 3, Emerson struck out 42 times in 1

What is the surface area of a square pyramid that has a base length of 5 inches and triangular faces that are 9 inches tall

Find the mean of the following set of numbers 28, 17, 15, 20, 15

Samantha owes $25.50, and borrows another $20.00. She pays $15.25 of her debt and then earns $45.00. later, Samantha pays $22.50 of her debt. how much debt does

An owner had a profit margin of $50,000 last year. She expects to receive $1,168,000 from sponsorships this year with no additional expenses. What is the estima

Q&A Education