Potential energy of a linear spring. The potential energy of a linear spring is directly proportional to the square of the spring displacement. If a spring has a potential energy of 196 Joules with a displacement of 7 meters, what will it be for a displacement of 10 meters?
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c. E = 400 Joules
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (4 sin 2t)i - (5 cos 2t)j + (3 csc 2t)k
A. a
= -16i + 12k
B. a
= 20j + 12k
C. a
= 16i + 12k
D. a
= -16i - 12k
Mathematics
Solve the problem.A square with sides of length 92 is inscribed in a circle and circumscribed about another circle. What is the area between the circles?
A. 2116 B. 4232? C. 2116? D. 46?
Mathematics
Add. Write a mixed numeral for the answer.13
A. 28
B. 13
C. 27
D. 26
Mathematics
Find the mode or modes.78, 25, 78, 13, 25, 29, 56, 78
A. 42.5 B. 47.8 C. 25 D. 78
Mathematics