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vodka [1.7K]
4 years ago
13

When children use the word “doggie” to refer to every four-legged animal they see, __________ occurs.

Physics
1 answer:
Oduvanchick [21]4 years ago
7 0
This is known as overextension! (the correct answer is B.)
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When a perfume bottle is opened, some liquid changes to gas and the fragrance spreads around the room. Which sentence explains t
shutvik [7]
The molecules of the perfume diffuse through the room at a certain critical concentration and later are detected by our noses. 
4 0
3 years ago
What is NOT one of the three additive complementary colors?
Otrada [13]

greenAnswer:

Explanation:

5 0
3 years ago
Un ciclista recorre 10 km en 2 h.Calcula su velocidad media en km/h.¿cuantos metros recorre cada segundo
lys-0071 [83]

Answer:

La velocidad media es 5 \frac{km}{h}, que equivale a 1.389 \frac{m}{s}

Explanation:

La velocidad es una magnitud física que expresa la relación entre el espacio recorrido por un objeto y el tiempo empleado para ello.

La velocidad media relaciona el cambio de la posición con el tiempo empleado en efectuar dicho cambio. Por lo que se calcula como la distancia recorrida por un objeto dividido por el tiempo transcurrido:

velocidad=\frac{distancia}{tiempo}

En este caso:

  • distancia= 10 km= 10,000 m (siendo 1 km= 1,000 m)
  • tiempo= 2 h= 7,200 s (siendo 1 h= 3,600 s)

Entonces, reemplazando en la definición de velocidad media:

velocidad=\frac{10 km}{2 h}= \frac{10,000 m}{7,200 s}

Resolviendo se obtiene:

velocidad=5 \frac{km}{h}= 1.389\frac{m}{s}

<u><em>La velocidad media es 5 </em></u>\frac{km}{h}<u><em>, que equivale a 1.389 </em></u>\frac{m}{s}<u><em></em></u>

4 0
3 years ago
A fleeing student covered a distance of 210 meters in 35 seconds. what is the student's speed in meters/second? what is the stud
snow_lady [41]

Explanation:

Given that,

A student covered a distance of 210 meters in 35 seconds.

We need to find the student's speed in meters/second and also in meters/minute.

Speed, v = distance (d)/time (t)

So,

v=\dfrac{210\ m}{35\ s}\\\\=6\ m/s

We know that, 1 minute = 60 seconds

6\dfrac{m}{s}=6\times \dfrac{m}{(\dfrac{1}{60})\ \text{minutes}}\\\\=360\ \text{meters/minutes}

Hence, the student's speed is 6 m/s or 360 meters/minute.

6 0
3 years ago
Boxes A and B are in contact on a horizontal, frictionless surface. Box A has mass 20.0 kg and box B has mass 5.0 kg. A horizont
bazaltina [42]

Answer:

80 N

Explanation:

For A + B: the net force is 100 N = (mA + mB)*a

a = 100/(20 + 5) = 100/25 = 4 m/s²

For A, the net force = mA * a = 20 * 4 = 80 N

3 0
2 years ago
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