Get premium membership and access questions with answers, video lessons as well as revision papers.

Make y the subject of the formula.

$T=2\pi\sqrt\frac{x^2\ +\ y^2}{gx}$

Answers

$T=2\pi\sqrt\frac{x^2\ +\ y^2}{gx}$

$\frac{T^2}{4\pi^2}=\frac{x^2y^2}{gx}$

$T^2gx=4\pi^2(x^2+y^2)$

$T^2gx=4\pi^2x^2 + 4\pi^2y^2$

$y^2=\frac{T^2gx-4\pi^2x^2}{4\pi^2}$

$y=\pm\sqrt\frac{T^2gx-4\pi^2x^2}{4\pi^2}$

---

raphael answered the question on December 17, 2016 at 07:44

Next: Give ways of becoming a Kenyan citizen by lawful residence.
Previous: For how long did Moses stay with the car?

View More Mathematics Questions and Answers | Return to Questions Index

Related Questions

• How much did Mutua get from the sale of a car?(Solved)
  

  Mutua bought a used car at Ksh. 500,000. He spent further Ksh. 75,000 on it for repairs and modification. He then sold it at 20% profit. How much did he get from the sale?

  Date posted: December 16, 2016.  Answers (1)

• How much did Maina pay for a bag of potatoes?(Solved)
  

  If Maina sells a bag of potatoes for Ksh. 520, he makes a profit. If he had to sell the bag for ksh. 420, he would make a loss. If the profit is three times the loss, find how much he paid for the bag of potatoes?

  Date posted: December 16, 2016.  Answers (1)

• What was the salesman's total earnings for that month?(Solved)
  

  A salesman earns a basic salary of Ksh. 22,000 per month. In addition he was paid a commission of 2% for goods worth above Ksh. 60,000 but not more than Ksh. 90,000 and a commission of 3% for goods over Ksh. 90,000. In a certain month, he sold goods worth Ksh. 150,000. What was his total earnings for that month?

  Date posted: December 16, 2016.  Answers (1)

• Find the value of K in from the following(Solved)
  

  A line which joins the points A(3, K) and B(-2, 5) is parallel to another line whose equation is 5y + 2x = 10. Find the value of K.

  Date posted: December 16, 2016.  Answers (1)

• Find the length of the side of the square(Solved)
  

  One side of a square is increased by 4 cm while the other side is reduced by 6 cm. The area of the rectangle so formed is 24 cm². Find the length of the side of the square.

  Date posted: December 16, 2016.  Answers (1)

• Find the value of x and y from the equation below.(Solved)
  

  Given that $9^{2x}\times \ 2^y = 72$. Find the value of x and y.

  Date posted: December 16, 2016.  Answers (1)

• Simplify the following completely(Solved)
  

  $\frac{a^2 + a - 3ab - 3b}{(a + 1)(3b^2 - ab)}$

  Date posted: December 16, 2016.  Answers (1)

• Find how far from town A the two buses X and Y meet(Solved)
  

  Two buses X and Y leave town A and B which are 60 km apart at an average speed of 70 km/hr and 30 km/hr respectively. Find how far from town A do the buses meet.

  Date posted: December 16, 2016.  Answers (1)