For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. a = 
T
B. a = 
N
C. a = 
N
D. a = T + 
N
Answer: C
You might also like to view...
Solve.The sum of three numbers is -4. The first number minus the second plus 4 times the third is -12. The third plus 2 times the first plus the second is -7. Find the numbers.
A. -3, 1, -2 B. 3, -1, 2 C. 3, -1, -2 D. -3, -3, 1
Find the number of terms in the sequence or the sum of the sequence as requested.Find the number of terms in the following arithmetic sequence. 8, 11, 14, 17, . . ., 89
A. 81 B. 30 C. 84 D. 28
Find the solution to the system by addition (elimination) method.x + y = -2x - y = 19
A. (2, 8.5) B. (2, -10.5) C. (8.5, -10.5) D. (8.5, 10.5)
Find the amount of interest earned by the following certificates of deposit. Assume daily compounding. Round to the nearest cent.
Amount: $57,624.54Interest rate: 6%Time: 10 years
A. $37,379.01 B. $47,369.04 C. $58,409.25 D. $20,158.53