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ondreabyes225pcr83r
29.10.2020 •
Physics
Un uber va por una persona y se mueve 800 m al este, se detiene porque se da cuenta que se pasó 300 m, así que se devuelve. Pero al llamar al cliente, este le dice que camino 100 m al este. El desplazamiento total del uber para recoger a la persona es de:
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Ответ:
Responder:
100m
Explicación:
Dirección total de la persona de recogida hacia el este = 300 m + 100 m (ya que caminó 100 m hacia el este cuando el conductor lo llamó)
Dirección total de la persona de recogida a través del este = 400 m
Para el súper conductor, fue 800 m hacia el este y regresa por (800-300) m cuando vio que había pasado a la persona de recogida por 300 m. El desplazamiento total del uber es 800-300 = 500 m
El desplazamiento total del uber a la persona que recoge es la diferencia en su desplazamiento, es decir, 500-400 = 100 m.
Ответ:
A. The nucleus loses mass and a new element is produced.
Explanation:
Alpha decay : When a larger nuclei decays into smaller nuclei by releasing alpha particle or a helium nuclei. In this process, the mass number and atomic number is reduced by 4 and 2 units respectively.
General representation of alpha decay :
Z= atomic number
A= mass number
There is a change in mass as well as atomic number.
As the atomic number has changed, a new element gets formed as atomic number is specific to every element.
Example:![_{88}^{226}\textrm{Ra}\rightarrow _{86}^{222}\textrm{Rn}+_2^4\textrm{He}](/tpl/images/0094/8119/6d5aa.png)