FInd the tangential and normal components of the acceleration.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. a = T + 
N
B. a = 
N
C. a = 
T
D. a = 
N
Answer: B
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Provide the proper response.Fill in the blanks so that the following is a geometric progression. 1.01, 
, 
, 
, 0.025856, 
What will be an ideal response?
Find an equation of variation in which the following are true.y varies jointly as x and z, and y = 216 when x = 8 and z = 9
A. y = 27x
B. y = 
C. y = 5xz
D. y = 3xz
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, 
< ? < 2?Find cot ?.
A. - 
B. 
C. - 
D. - 
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is v = 
, where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second per second, find the velocity of a bowling ball after it has fallen 40 feet. (Round to the nearest tenth.)
A. 2560 ft per sec B. 8.9 ft per sec C. 35.8 ft per sec D. 50.6 ft per sec