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1. The distance (D) varies directly with the time (t).
2. The distance (D) varies directly with the speed it travels (S) and inversely with the friction value of the road
surface (F).
3. The electrical resistance (R) of a wire varies directly as its length (l) and inversely as the square of the time (t)
it travels.​


Sagot :

Answer:

1.) D=kt

2.) D=kS/F

3.) R=kl/t²

Step-by-step explanation:

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