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stira [4]
3 years ago
11

Which letter represents the wavelength of the wave?A: aB: bC: cD: d​

Physics
2 answers:
KATRIN_1 [288]3 years ago
4 0

Answer:

D

Explanation:

Shows the distance between each new wave.

lozanna [386]3 years ago
3 0
D is the answer........
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A rock is thrown straight up. What is the net external force acting on the rock when it is at the top of its trajectory (ignorin
Nat2105 [25]

Answer:

b) Gravity

Explanation:

Gravity acts all of the time, when you apply force to a projectile it has to be more than the forces of the gravity and air resistance together so the projectile can move,  when the rock is at the top of its trajectory the force that you applied at the beginning is getting lost, so the other forces (air resistance and gravity) make the rock fall to the floor.

8 0
3 years ago
How does condensation form in a terrarium?
sveticcg [70]

Answer:

Water is condensing due to the difference in temperature between the inside and outside of your terrarium. If your cold house is cooling the temperature of the glass, when warm terrarium air hits the cold surface it reaches its dew point and condenses

3 0
2 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
How many days sun rises in a year​
Lana71 [14]

Answer:

365

Explanation:

there are 365 days in a year

8 0
3 years ago
What happens when the diaphragm is lowered?
Leto [7]
The space in your chest cavity increases, so your lungs expand and are filled with air,
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6 0
3 years ago
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