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luda_lava [24]
3 years ago
13

Does anyone else have this packet for Principles of Engineering? I'm lost on everything and just need the equations to start the

problem and then I'm good lol PLEASE HELP

Physics
1 answer:
rjkz [21]3 years ago
3 0
Ask your math friends or whatever bevause this is hard 
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List three things you have done today that used kinetic energy.
Ede4ka [16]
I have thrown a ball during gym.
i have knocked my water bottle off my desk
i have opened a door.
8 0
3 years ago
Read 2 more answers
How much force is needed to accelerate at 66 kg skier 4m/s^2 ?​
Ray Of Light [21]
E force needed to accelerate a 68 kilogram-skier at a rate of
1.2
m
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is 81.6 Net forces.
Explanation:
Take the mass(68kg) and the acceleration of the skier(
1.2
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7 0
3 years ago
Cual es la fuerza electrica sobre el electrón (-1.6 x 10¹⁹c) de un atomo de hidrógeno ejercida por el protón (1.6 x 10¹⁹c)? Supó
kkurt [141]

Answer:

La  fuerza eléctrica es -8.2*10⁻⁸ N

Explanation:

El enunciado correcto es: <em>¿Cuál es la fuerza eléctrica sobre el electrón (-1.6 x 10⁻¹⁹c) de un átomo de hidrógeno ejercida por el protón (1.6 x 10⁻¹⁹c)? Supóngase que la distancia entre el electrón y el protón es de 5.3 x 10⁻¹¹ m</em>

Entre dos o más cargas aparece una fuerza denominada fuerza eléctrica. Su valor depende del valor de las cargas y de la distancia que las separa, mientras que su signo depende del signo de cada carga. Las cargas del mismo signo se repelen entre sí, mientras que las de distinto signo se atraen.

La fuerza eléctrica con la que se atraen o repelen dos cargas puntuales en reposo es directamente proporcional al producto de las mismas e inversamente proporcional al cuadrado de la distancia que las separa:

F=K*\frac{q1*q2}{d^{2} }

donde:

  • F es la fuerza eléctrica de atracción o repulsión. En el Sistema Internacional (S.I.) se mide en Newtons (N).
  • q1 y q2 son lo valores de las dos cargas puntuales. En el S.I. se miden en Culombios (C).
  • d es el valor de la distancia que las separa. En el S.I. se mide en metros (m).
  • K es una constante de proporcionalidad llamada constante de la ley de Coulomb. Depende del medio en el que se encuentren las cargas. Para el vacío K tiene un valor aproximadamente de 9*10⁹ \frac{N*m^{2} }{C^{2} }.

En este caso:

  • F=?
  • K= 9*10⁹ \frac{N*m^{2} }{C^{2} }
  • q1= -1.6*10⁻¹⁹ C
  • q2= 1.6*10⁻¹⁹ C
  • d= 5.3*10⁻¹¹ m

Reemplazando:

F=9*10^{9} \frac{N*m^{2} }{C^{2} }*\frac{(-1.6*10^{19} C)*(1.6*10^{19} C)}{(5.3*10^{-11} )^{2} }

Resolviendo:

F= -8.2*10⁻⁸ N

<u><em>La  fuerza eléctrica es -8.2*10⁻⁸ N</em></u>

6 0
3 years ago
Contrast your Reflection from the back of a shiny spoon and from a plane mirror.​
julsineya [31]
Ok so what happened?
6 0
3 years ago
Define SI unit of force. A force of 8N acting on a body changes its velocity uniformly from 2 m/s to 5    m/s in 20s. Calculate
laila [671]

Answer:

si unit of force is Newton or dyne

6 0
1 year ago
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