Clay can run one lap around the track in 1/4 of an hour. How many hours will it take him to run 5 1/3 laps around the track?
1 answer:
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Answer:
As per the given statement:
The region bounded by the given curves about the y-axis, , y=0, x = 0 and x = 1
Using cylindrical shell method:
The volume of solid(V) is obtained by rotating about y-axis and the region under the curve y = f(x) from a to b is;
where
where x is the radius of the cylinder
f(x) is the height of the cylinder.
From the given figure:
radius = x
height(h) =f(x) =y=
a = 0 and b = 1
So, the volume V generated by rotating the given region:
therefore, the volume of V generated by rotating the given region is
Answer:
x = 40 * meters
Step-by-step explanation:
You have a 30-60-90 right triangle in this situation.
the height of this triangle is 40 meters
the opposite angle is 30 degrees.
use the tangent.
let x = distance between boat and cliff
tan 30 = 40/x
1/root (3) = 40/x
x = 40 * meters