21 uždavinys
Sprendimas.
$$v_{a} = 1.25\cdot v_{m}$$
v_a =
1.25* v_m
1.25* v_m
|
v_a = 1.25* v_m$$v_{a}$$ = $$1.25\cdot v_{m}$$
| v_a |
| / 1.25 |
v_m =
$$v_{m}$$ = $$\frac{v_{a}}{1.25}$$
| v_a |
| / 1.25 |
Paaiškinimas: Keitimas $${\normalsize v_{a}}$$ = $${\normalsize 85}$$.
v_m =
$$v_{m}$$ = $$\frac{85}{1.25}$$
| 85 |
| / 1.25 |
$${\normalsize \frac{85}{1.25}}$$ = $${\normalsize 68}$$
v_m = 68$$v_{m}$$ = $$68$$
$$v_{a}$$ = $$1.25\cdot v_{m}$$
$$\frac{v_{a}}{1.25}$$ = $$v_{m}$$
$$v_{m}$$ = $$\frac{v_{a}}{1.25}$$
$$v_{m}$$ = $$\frac{85}{1.25}$$
$$v_{m}$$ = $$68$$
Atsakymas: 68 km/h