Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a particular road is: 
where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If 
f = 0.1
, and 
find V. Round to the nearest foot per second.
A. V = 74 ft per sec
B. V = 71 ft per sec
C. V = 69 ft per sec
D. V = 67 ft per sec
Answer: B
Mathematics
You might also like to view...
Solve the problem.The number of bacteria growing in an incubation culture is given by 
where x is time in days. Find the number of bacteria when x = 0 and x = 5.
A. 2300, 62,100 B. 2300, 34,500 C. 2300, 558,900 D. 6900, 558,900
Mathematics
Provide an appropriate response.The person or entity receiving the coverage under an insurance policy is called the beneficiary.
A. True B. False
Mathematics
Find the exact circumference of the circle.
A. 9? in. B. 81? in. C. 4.5? in. D. 18? in.
Mathematics
Decide whether the integral converges. If the integral converges, compute its value.
?
?
A. 
B. 
C. 
D. 
E. diverges
Mathematics