Created by T. Madas
Question 50
Rearrange the following formulae for the variable written inside the square bracket.
(
a) v 2 = ω 2 a 2 − x 2
)
[ x]
(***)
1
b) s = ut + at 2 [a ]
2
(***)
c) 2π rh + π r 2 = 600 [h]
(***)
1
d) π rt + π kr 2 = A [t ]
3
(***)
e) C =
f) S =
g)
a
x2
1
a2
[ x]
(***)
[a]
(***)
y − 1 = 2 x [ y]
h) kt − kh = c [k ]
(***)
(***)
Created by T. Madas
Created by T. Madas
Question 51
Rearrange the following formulae for the variable written inside the square bracket.
a) 2 R + QR = QT [ R ]
(***)
b) 2 R + QR = QT [Q]
(***+)
c) 2 x − 5 y = y − mx [ x]
(***+)
d)
( u − 1)2 = v
e) x =
f)
x=
g) T =
2
y
[ y]
1
y +1
8
L3
[u ]
[ y]
[ L]
h) y + 5 = x ( y + 2 ) [ y ]
(***+)
(***+)
(***+)
(***+)
(****)
Created by T. Madas
Created by T. Madas
Question 52
Rearrange the following formulae for the variable written inside the square bracket.
x+a
[ x]
x+b
(****)
tk
= k − 1 [k ]
h
(****)
a) y =
b)
c) T =
Q
[Q]
Q+2
(****)
d) y =
x+k
[ x]
2x + k
(****)
e)
x +1
y
=
x
y +1
[ y]
(****)
f)
x +1 y − 2
=
x −1 y + 3
[ y]
(****)
g) T =
2 (1 + x )
[ x]
a (1 − x )
h) y = x y 2 + 1 [ y ]
(****+)
(****+)
Created by T. Madas
Created by T. Madas
Question 53
Rearrange the following formulae for the variable written inside the square bracket.
a) y =
x2
a2 − x2
[ x]
(****+)
b) x =
y
y +1
c) x =
y −1
2y
[ y]
(****+)
d) x =
4y
3− y
[ y]
(****+)
e) x =
y +1
y −1
[ y]
(****+)
f)
x=2
y
y −1
g) x =
4
y2 −1
y
h) x =
y2 − 9
[ y]
[ y]
[ y]
[ y]
(****+)
(****+)
(****+)
(****+)
Created by T. Madas