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Given that v=√u*u- 2qs. Make q the subject of the equation. Find the value of q in the equation if v=8, u=12, and s=40​
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32 votes
Given that v=√u*u- 2qs. Make q the subject of the equation. Find the value of q in the equation if v=8, u=12, and s=40​

User MarkusM
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2 Answers

17 votes
17 votes

Above given answer is correct.

User Rob Olmos
by
2.9k points
15 votes
15 votes

Answer:

Explanation:

v=√u*u- 2qs


  1. √(20) x 20 - 2q40 = 8

  2. 2√(5) x 20 - 2q40 = 8
  3. 40
    √(5) - 2q40 = 8
  4. - 2q40 = 8 - 40
    √(5)
  5. -80q = 8 - 40
    √(5)
  6. q = (8-40
    √(5) ) / -80 =
    (-1 + 5√(5) )/(10) = 1.018
User The Woo
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