Find the tangential and normal components of the acceleration.r(t) = 
i + 
j + 12tk
A. a = 25T + 25N
B. a = 
T
C. a = 
N
D. a = T + 25N
Answer: C
Mathematics
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Solve the problem.The position of a particle moving along a coordinate line is s = 
with s in meters and t in seconds. Find the particle's acceleration at 
A. - 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Mathematics
Form an equivalent expression by rationalizing the denominator.
A. 
B. 130
C. 
D. 9
Mathematics
Evaluate the function.
If y = f(x), find f(1).
A. 1 B. 0 C. -2 D. 2
Mathematics
Suppose X is a normal random variable with 
and 
. Round your answers to four decimal places, if necessary.
?
Find 
.
?
__________
?
Find 
.
?
__________
?
Find 
.
?
__________
What will be an ideal response?
Mathematics