The graph shows the distance y, in feet, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds.

How many seconds are required for the pendulum to move from its resting position, swing in one direction and return to its resting position?


A sinusoidal function with the x axis beginning at zero and increasing in increments of zero point five until reaching seven point five. The function begins at zero comma zero and increases to a maximum value of one point twenty-five comma twenty. The graph then decreases through two point five comma zero to a minimum value of three point seventy-five comma negative twenty. The graph then increases through five comma zero to a maximum value of six point twenty-five comma twenty. The graph then decreases to seven point five comma zero.


The graph shows how many centimeters above a table top, y, a painted spot on an automated hamster wheel is for a given number of seconds x.

How many degrees is the painted spot turning into 0.75 s?


Guest Feb 7, 2018

The period of the first graph is 5 seconds


The second graph  can be modeled by


y = 6sin (  2pi * x / 1.5    -  pi / 2)   +  6


Here's the graph : https://www.desmos.com/calculator/1hzzmtin1z


At..  x  = .75 s....we have


2pi * (.75) / 1.5   - pi.2   =


pi  - pi/2   =  pi/2    =  90°



cool cool cool

CPhill  Feb 7, 2018

5 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.