Advertisements
Advertisements
Question
Make L the subject of formula T = `2pisqrt("L"/"G")`
Advertisements
Solution
T = `2pisqrt("L"/"G")`
⇒ `"T"/(2pi) = sqrt("L"/"G"`
squaring both sides
⇒ `("T"/(2pi))^2 = "L"/"G"`
⇒ `"G"("T"/(2pi))^2` = L
⇒ L = `("GT"^2)/(4pi^2)`.
APPEARS IN
RELATED QUESTIONS
The simple interest on a sum of money is the product of the sum of money, the number of years and the rate percentage. Write the formula to find the simple interest on Rs A for T years at R% per annum.
The area A of a circular ring is π times the difference between the squares of outer radius R and inner radius r. Make a formula for this statement.
A man bought 25a articles at 30p paisa each and sold them at 20q paisa each. Find his profit in rupees.
Make N the subject of formula I = `"NG"/("R" + "Ny")`
Make A the subject of formula R = `("m"_1"B" + "m"_2"A")/("m"_1 + "m"_2)`
Make k the subject of formula T = `2pisqrt(("k"^2 + "h"^2)/"hg"`
Given: mx + ny = p and y = ax + b. Find x in terms of m, n, p, a and b.
Make a the subject of the formula S = `"n"/(2){2"a" + ("n" - 1)"d"}`. Find a when S = 50, n = 10 and d = 2.
The total energy E possess by a body of Mass 'm', moving with a velocity 'v' at a height 'h' is given by: E = `(1)/(2) "m" "u"^2 + "mgh"`. Make 'm' the subject of formula.
If s = `"n"/(2)[2"a" + ("n" - 1)"d"]`, the n express d in terms of s, a and n. find d if n = 3, a = n + 1 and s = 18.
