For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = i + j + 12tk

A. a = T + 25N
B. a = 25N
C. a = 25T
D. a = 25T + 25N


Answer: B

Mathematics

You might also like to view...

Solve the problem.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.Which choice is the winner of a sequential runoff?

A. T B. S C. R D. P

Mathematics

Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - f(x)  

A.

B.

C.

D.

Mathematics

Factor the expression completely, if possible.750x3 + 6y3

A. 6(5x - y)(25x2 + 5xy + y2) B. 6(5x - y)(25x2 + y2) C. 6(5x + y)(25x2 - 5xy + y2) D. (5x - 6y)(150x2 + 5y + y2)

Mathematics

Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.(x + 3)2 = 13

A. Factoring; 10
B. Square root principle; -3 ±   
C. Square root principle or factoring; 3 ± 
D. Quadratic formula; ±

Mathematics