Answer:
d. No, porque la ecuación de trabajo lo define.
Explanation:
En Física, el trabajo realizado se puede definir como la cantidad de energía transferida cuando un objeto o cuerpo se mueve a lo largo de una distancia debido a la acción de una fuerza externa.
Matemáticamente, el trabajo realizado viene dado por la fórmula;
<u>Dónde;</u>
- W es el trabajo realizado.
- F representa la fuerza que actúa sobre un cuerpo.
- d representa la distancia recorrida por el cuerpo.
Por lo tanto, podemos deducir de la definición de trabajo y su fórmula que el trabajo se realiza cuando un objeto (cuerpo) se mueve una distancia o experimenta cualquier forma de desplazamiento mientras transfiere energía.
Explanation:
Sky appears blue because of Scattering.Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Answer:
correct answer is narrow
Explanation:
solution
when we pass someone riding bicycle ahead you then we should decrease our speed and increase the distance between you and bicyclist
and we should ride on road with very predictable manner and we should ride in straight line and if If road is too narrow for a bicycle
then we should ride vehicle to travel side by side so bicyclist should occupy lane until it safe
so here correct option is narrow
the resulting wave speed=62.7 m/s
Explanation:
The speed of a wave is given by
v=
T= tension, v= velocity= 58 m/s
when the tension is increased by 17%, new tension= 1.17 T
V'=1.082 V
V'=1.082 (58)
V'=62.7 m/s
Explanation:
According to the law of conservation of energy, work done by the force is as follows.
= 64.95 J
Now, gain in potential energy is as follows.
P.E = mgh
= 
= 29.4 J
Gain in potential energy will be as follows.
= 
= ![\frac{1}{2} \times 30 N/m \times [(2.5 - 1.5)^{2} - (2 - 1.5)^{2}]](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20%5Ctimes%2030%20N%2Fm%20%5Ctimes%20%5B%282.5%20-%201.5%29%5E%7B2%7D%20-%20%282%20-%201.5%29%5E%7B2%7D%5D)
= 11.25
As,
= 64.95 J - 29.4 - 11.25
= 24.3
v = 4.92 m/s
Therefore, we can conclude that relative velocity at point B is 4.92 m/s.
