Question

hard math question please help

Answer 1

A weight is attached to a spring that I fixed to the floor. The equation h=7cos(pi/3t)models the height, h, in centimeters after t seconds of the weight being stretched and released.
a.Solve the equation for t
b.Find the times at which is the first at a height of 1cm, of 3cm and of 5cm above the rest position. Round your answer to the nearest hundredth.
c.Find the times at which the weigth is at a height of 1cm, 3cm and 5cm below the rest position for the second time. Round your answers to the nearest hundredth.

Please help I'm overwhelmed:(

Answer 2

@AccessDenied

Answer 3

@aaronq

Answer 4

@SolomonZelman

Answer 5

Part a I assume you need to isolate the variable (a) to one side of the equation?

Answer 6

i think

Answer 7

t=3arc cos (h/7)/pi
is this the equation?

Answer 8

idk

Answer 9

I'm overwhelmed to..sorry

Answer 10

lol its okay