Bài tập toán cơ bản số 17

Created by T. Madas
Question 48
Rearrange the following formulae for the variable written inside the square bracket.

a) s =

v
[t ]
t

(*+)

b) h =

V
mg

[ m]

(*+)

c) A =

xy
2t

[t ]

(*+)

1

d) s = at 2 [t ]
2

e) E =

1 2
mv [m]
2

(*+)

(*+)

4
f) V = π r 3 [r ]
3

(**)

1
g) V = π r 2h [r ]
3

(**)

h) E =

3 2
x [ x]
4

i) T = λ

x
a

[ x]

(**)

(**+)

Created by T. Madas


Created by T. Madas
Question 49
Rearrange the following formulae for the variable written inside the square bracket.

a) E =

λ
2a

b) F = G

x 2 [ x]

mM
r2

[ m]

(**+)

(**+)

c)

y = 2 x [ y]

(**+)

d)

y − 1 = 3x [ y]

(**+)

e) A = 2π r ( r + h ) [h]

f) s =

u+v
t [u ]
2

(**+)

(**+)

g) B = Ax 2 − T [ x]

(***)

h) Y = 1 Bx 2 [ x]
2

(***)

Created by T. Madas