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anonymous
 4 years ago
The equation h=7cos(pi/3 t) models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched and then released.
a. Solve the equation for t.
b. Find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position. Round your answers to the nearest hundredth.
c. Find the times at which the weight is at a height of 1 cm, of 3 cm, and of 5 cm below the rest position for the second time. Round your answers to the nearest hundredth.
anonymous
 4 years ago
The equation h=7cos(pi/3 t) models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched and then released. a. Solve the equation for t. b. Find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position. Round your answers to the nearest hundredth. c. Find the times at which the weight is at a height of 1 cm, of 3 cm, and of 5 cm below the rest position for the second time. Round your answers to the nearest hundredth.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so which one don't you know?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0all of it. i don't understand this.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0not even solve for t?

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.0have you atleast tried it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i have seen this question before, and wonder where it comes from, because something is wrong with it

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.0whats wrong with it? its a simple harmonic motion problem

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0for one thing, how is a height negative?

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.0lol i havent solved it yet tho but it can i think; since its a cosine curve and the amplitude can be a negative
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