A force of 7 pounds compresses a 15-inch spring a total of 3 inches. How much work is done in compressing the spring 9 inches? Use Hooke's Law to determine the variable force. Work done: ft-lb

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Q: 2 4(cos 190°+isin 190°) 2, B = (-1+i)10 and C = 40e3™, solve for A + B + C. Express your final answe...

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Q: Q1 Assuming that the equations in Exercises 25-26 define y as a differen- tiable function of x, use ...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

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Q: In the question that follows, the "units digit" of a number is the last digit in decimal representat...

A: 41 = 4 42 = 16 43 = 64 44 =256   Conjecture:- For all n&gt;=0, If n is odd then Unit digit of 4n is ...

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Q: COS x -. Use Squeeze Theorem to show that lim 0. x→+0 cosh x

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Q: Write the negation of the following statement in words. Some odd numbers are divisible by 4.

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Q: A 50 gallon storage tank initially holds a saltwater solution containing 100 grams of salt dissolved...

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Q: What is the nine roots of -256-j256√3

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Q: 11. х2 + у? - 6х + 16у + 24 %3D 0 12. Зx2 + Зу? -42у -153%3D0

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Q: If |G = 30 and |Z(G)| that |G| 5, what is the structure of G/Z(G)? What is the structure of G/Z(G) i...

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Q: Solve the recurrence an= 4an-1- 4an-2, ao=1, a1=1

A: a2= 4a1 - 4a0 So, a2= 4×1 - 4×1=0 Again, a3= 4a2 - 4a1 So, a3=4×0 - 4×1 = -4 Again, a4= 4a3 - 4a2 So...

Q: Differentiate a circle from a parabola?

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Q: Consider the following system of equations: 4x + 4y = 0 - z = -9 = -3 7y + -3x Use Cramer's rule to ...

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Q: Consider the three points A(-1,2,0), B(-4, 5,0) and C(-2,6, –4). You are given that, -3 AB = and AC ...

A: Consider the points A(-1,2,0), B(-4,5,0) and C(-2,6,-4) And Given AB→=-330,  AC→=-14-4 Projection of...

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Q: Find the inverse of the matrix and the identity matrix A= 4   2  - 3       1  -1   2       5    3...

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Q: Prove that (4) =4; [Let z1 = a + bi and z2 = c + di] Z2

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Q: 5. Fill in the blanks Let y be a solution of the differential equation 2 * - (). T+y-1 I+y+I where x...

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