Answer:
d)infrared waves
Explanation:
A remote control uses light waves just beyond the visible spectrum of light—infrared light waves—to change channels on your TV. This region of the spectrum is divided into near-, mid-, and far-infrared.
I would say a because that is the only one that makes sense but I’m not 100% sure
Answer:
Puesto que la energia cinética traslacional es mucho mayor que la capacidad del chaleco antibalas, la bala atravesaría el chaleco antibalas.
Explanation:
Un chaleco antibalas soporta el disparo de una bala disipando la energía de esta última a través de su propio material. Si sabemos que el chaleco antibalas soporta 120 joules de energía, cabe saber si la energía cinética traslacional es igual o inferior a ese límite, significando que la bala no atravesaría el chaleco.
La energía cinética traslacional de la bala (
), in joules, queda expresada con la siguiente fórmula:
(1)
Donde:
- Masa de la bala, en kilogramos.
- Rapidez de la bala, en metros por segundo.
Si sabemos que 
y 
, entonces la energía cinética traslacional de la bala es:
Puesto que la energia cinética traslacional es mucho mayor que la capacidad del chaleco antibalas, la bala atravesaría el chaleco antibalas.
Answer:
20 °C
Explanation:
Ideal gas law:
PV = nRT
Rearranging:
P / T = nR / V
Since n, R, and V are constant:
P₁ / T₁ = P₂ / T₂
488.2 kPa / T = 468 kPa / 281.15 K
T = 293.29 K
T = 20.1 °C
Rounded, the temperature was 20 °C.
Answer: Solar Day
Explanation: As explained above, a Solar Day is the time it takes to the earth to rotate between to Solar Position. This time is taken as reference to calculate the day, so this times equals to 24 hours.}
However the Sideral Day is the time on which the Eart rotates between two consecutives position on a distant star. The Sideral day is shorter because both Earth Rotanting Movements are counter-clockwise.
The Earth moves around the sun and around his own axis. Because of this, the earth after doing a full rotation, needs to compensate a extra degree to face the sun at the same spot, so the movement is longer.
