A clock is hung on a wall so that the center is 20 cm below the ceiling. The minute hand is 10 cm long, and the hour hand is 6 cm long.  Find a function m(t)that gives the distance the tip of the minute hand is from the ceiling as a function of minutes past midnight. The function should have the form m(t)=A(Bt-C)+D.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
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ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 1.37EP
Question

A clock is hung on a wall so that the center is 20 cm below the ceiling. The minute hand is 10 cm long, and the hour hand is 6 cm long. 

  1. Find a function m(t)that gives the distance the tip of the minute hand is from the ceiling as a function of minutes past midnight. The function should have the form m(t)=A(Bt-C)+D.
Expert Solution
Step 1

Consider the diagram as per give information,

Advanced Math homework question answer, step 1, image 1

 

It can be observed from the diagram the distance of tip of minute hand from the ceiling is y cm and the angle θ rotated by the hand in t minutes.

So, the distance of minute hand's tip from the ceiling is,

y=CE=BE-BC                          1 

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