24. In the figure, on a straight runway, the distance between the point and point B is 100m. A photographer stands at point C to shoot runner R who runs from 4 to B at a speed of 6m/s. It is known that BC=50m and

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
icon
Related questions
Question

Please help me to solve this question, I try lots of times but still not ok, if able please explain why should do like that, thanks you

B
50 m,
T
3
C
S
radian
xm
R
100 m
A
Transcribed Image Text:B 50 m, T 3 C S radian xm R 100 m A
24. In the figure, on a straight runway, the distance between the point and point B is 100m.
A photographer stands at point C to shoot runner R who runs from 4 to B at a speed of
6m/s. It is known that BC=50m and <CBA==radian. Let BR=xm and <BCR=day.
0
(a) prove that x=-
50 sin
sin
π
+0
(b) When the distance between R and A is 60m, find the daily rate of change.
Transcribed Image Text:24. In the figure, on a straight runway, the distance between the point and point B is 100m. A photographer stands at point C to shoot runner R who runs from 4 to B at a speed of 6m/s. It is known that BC=50m and <CBA==radian. Let BR=xm and <BCR=day. 0 (a) prove that x=- 50 sin sin π +0 (b) When the distance between R and A is 60m, find the daily rate of change.
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Recommended textbooks for you
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Elementary Geometry for College Students
Elementary Geometry for College Students
Geometry
ISBN:
9781285195698
Author:
Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:
Cengage Learning