Justinemaruquinidn
Answered

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Directions: Form an equation to represent each variation. Use k as the
constant variation.
1. The circumference of a circle (C) varies directly as the radius of the circle (r).
2. The centrifugal force (c) is inversely proportional to the radius (r) of the
circular path and directly proportional to the square of the velocity (v) of the
moving body.
3. The heat (H) generated by an electric stove varies jointly as the square of the
current (c) and the resistance (r).
4. The intensity of illumination (I) on a book varies inversely as the square of
the distance (d) from the source of light.
5. The distance (S) a body falls varies directly as the square of the time (t) after
it starts to fall.
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Sagot :

KallesEliasidn

Form an equation to represent each variation. Use k as the constant variation.

k = constant of variation

1. The circumference of a circle (C) varies directly as the radius of the circle (r).

c = kr

2. The centrifugal force (c) is inversely proportional to the radius (r) of the

circular path and directly proportional to the square of the velocity (v) of the

moving body.

c = kv²/r

3. The heat (H) generated by an electric stove varies jointly as the square of the current (c) and the resistance (r).

H = kc²r

4. The intensity of illumination (I) on a book varies inversely as the square of

the distance (d) from the source of light.

I = k/d²

5. The distance (S) a body falls varies directly as the square of the time (t) after it starts to fall.

S = kt²

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