Solve the problem.A spring with a spring constant k of 300 newtons per meter is loaded with a 12-kilogram mass and allowed to reach equilibrium. It is then stretched an additional 0.4 meter and released. Find the equation of motion. Neglect friction.
A. y = 0.4 sin 25t
B. y = 0.4 cos 5t
C. y = 0.4 sin 5t
D. y = 0.4 cos 15.653t
Answer: B
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 2
B. 
; 4
C. 
; 4
D. 
; 2
Solve the problem.A box of cereal contains about 12 cups. A serving size is 
cup. About how many servings are in the box of cereal?
A. 3
servings
B. 9 servings
C. 5
servings
D. 16 servings
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(x - 7)5
A. x5 - 35x4 + 490x3 - 3430x2 + 12,005x - 16,807 B. x5 - 35x4 + 980x3 - 6860x2 + 12,005x - 16,807 C. x5 - 35x4 + 490x3 - 3430x2 + 12,005x - 7 D. x5 - 35x4 + 980x3 - 6860x2 + 12,005x - 7
Use even and odd properties of the trigonometric functions to find the exact value of the expression.cot 
A. 1 B. undefined C. 0 D. -1