Solve the problem.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 15 feet per second per second (ft/sec2) when the radius of the turn is 60 feet, find the acceleration the passengers feel when the radius of the turn is 180 feet.
A. 8 ft/sec2
B. 6 ft/sec2
C. 5 ft/sec2
D. 7 ft/sec2
Answer: C
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Solve.A hot air balloon has a volume of 110,000 cu ft. If it is being filled at a rate of 2070 cubic yards per hour, how long will it take to fill the balloon? Round to the nearest hour.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.pH = -log10[H+] Find the [H+] if the pH = 3.4.
A. 3.98 × 10-3 B. 2.51 × 10-3 C. 2.51 × 10-4 D. 3.98 × 10-4
Find the stock turnover at cost and at retail. Round to the nearest hundredth.
A. Turnover at cost = 2.69 Turnover at retail = 2.72 B. Turnover at cost = 4.72 Turnover at retail = 1.55 C. Turnover at cost = 1.74 Turnover at retail = 1.76 D. Turnover at cost = 2.72 Turnover at retail = 2.69
You are given a graph of a function of the form f(x) = ax2 + bx + c for different values of a, b, and c. For this function,a. Determine whether the discriminant is positive, negative, or zero.b. Determine if there are 0, 1, or 2 real solutions to f(x) = 0.c. Solve the equation f(x) = 0.
A. a. positive b. 2 c. x = -1, x = -2 B. a. negative b. 2 c. x = , x = 2 C. a. zero b. 2 c. x = -1, x = 2 D. a. positive b. 2 c. x = -1, x = 2