A cable railway had a 14-foot-diameter pulley to drive the cable (see the figure). In order to keep the cable cars moving at a linear velocity of 13 miles per hour, how fast would the pulley need to turn (in revolutions per minute)? (1 mi = 5,280 ft)
?
?
If the answer needs rounding, round it to the nearest tenth.
?
__________ rpm
What will be an ideal response?
26.0
You might also like to view...
Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the y-axis.x = 
, x = 0, between y = - 4 and y = 4
A. 
?
B. 
?
C. 
?
D. 
?
Use the method of variation of parameters to solve the differential equation.y'' + y = sec2 x
A. y = C1 cos x + C2 sin x - 1 + cos x ln|sec x + tan x| B. y = C1 cos x + C2 sin x - 1 + sin x ln|sec x + tan x| C. y = C1 cos x + C2 sin x - sec x sin x + cos x ln|sec x + tan x| D. y = C1 cos x + C2 sin x - sec x sin x + sin x ln|csc x + cot x|
Use the multiplication property of equality to solve the equation. 
= 9
A. -1 B. 90 C. 19 D. -19
Solve the problem.Which of the fractions 
or 
is proportional to 
?
A. The fraction 
is proportional to 
.
B. The fraction 
is proportional to 
.