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kkurt [141]
3 years ago
11

A man is 6ft tall. What is the smallest size plane mirror he can use to see his entire image.

Physics
1 answer:
Lelechka [254]3 years ago
8 0

Answer:

3 ft

..................

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PLEASE ANSWER QUICK!! What happens at the condensation point?A. Molecules of a liquid heat up and begin to convert to a gaseous
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D. Molecules of a gas slow down and change to a liquid state.

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  • Condensation refers to a process by which a gas changes from gaseous state to liquid state. For example, water vapor changes to from the state of being a gas to liquid state water.
  • Condensation is the opposite of evaporation and occurs when gaseous particles slow down and change into liquid state.
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14

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Se lanza una bala con una velocidad inicial de 200 m/s y con un ángulo de inclinación de 30º respecto a la horizontal. Si se con
puteri [66]

Answer:

El alcance de la bala es 3464,1 m.

Explanation:

El alcance de la bala se puede calcular como sigue:

y = y_{0} + tan(\theta)*x - \frac{g}{2}*\frac{x^{2}}{(v_{0}cos(\theta))^{2}}

En donde:

y: es la altura final = 0

y_{0}: es la altura inicial = 0

x: es el alcance

θ: es el angulo respecto a la horizontal = 30°

v_{0}: es la velocidad inicial = 200 m/s

g: es la gravedad = 10 m/s²

Entonces, tenemos:

y = y_{0} + tan(\theta)*x - \frac{g}{2}*\frac{x^{2}}{(v_{0}cos(\theta))^{2}}

x = \frac{2tan(\theta)*(v_{0}cos(\theta))^{2}}{g} = \frac{2tan(30)*(200 m/s*cos(30))^{2}}{10 m/s^{2}} = 3464,1 m

Por lo tanto, el alcance de la bala es 3464,1 m.

Espero que se te sea de utilidad!

8 0
3 years ago
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