Find the tangential and normal components of the acceleration.r(t) = 4(1 + t)3/2i + 4(1 - t)3/2j + 3tk
A. a = 
N
B. a = 3
N
C. a = T + 3
N
D. a = 3
T
Answer: B
Mathematics
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Multiply:
16 /98è 3 /-50è a. 48 /148è b. 19 /48è c. 19 /148è d. 48 /48è e. 48 /-32è
Mathematics
Solve.The perimeter of a square is 76 units. Write and solve an equation to find the length of one side, s, of the square.
A. 4s = 76; s = 19
B. s2 = 76; s = 38
C. 
= 76; s = 19
D. 4s = 76; s = 361
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(x + 4)(x - 7)
A. x2 - 3x - 3 B. x2 - 28x - 3 C. x2 - 3x - 28 D. x2 - 4x - 28
Mathematics
Solve the equation.
+ 
= 
A. -1 B. -2 C. 4 D. -7
Mathematics