Esta calculadora de calor específica es una herramienta que determina la capacidad de calor de una muestra calentada o refrigerada. El calor específico es la cantidad de energía térmica que necesita suministrar a una muestra que pesa 1 kg para aumentar su temperatura en 1 K. Siga leyendo para aprender a aplicar la fórmula de capacidad de calor correctamente para obtener un resultado válido.
Answer:
it maybe correct
Explanation:
You can feel an increase of pressure on your eardrums. ... The deeper you go under the sea, the greater the pressure of the water pushing down on you
Answer: High voltage transmission minimizes energy losses during electricity transmission.
Explanation:
When electricity is to be transmitted over a long distance, high voltage transmission is preferred to minimize energy losses due to heat.
The higher the transmission voltage, the lower the current and the lesser the resitance in the wire and the lesser the energy lost due to heat during transmission.
High voltage transmission in kilowatts enables light weight cables to be used for long distance electricity transmission.
This explains why, even though only 110 V may be required at home by some appliances, but electricity is transmitted in kilovolts and often require a stepdown transformer
<span>Remember the definition of acceleration:
a = Δv / Δt, this is change in velocity per unit of time.
Note that a and v are in bold to mean that they are vectors.
1) a body traveling in a straight line and increasing in speed: RIGHT:
Acceleration is the change in velocity, either magnitude or direction or both. So, a body increasing in speed is accelerated.
2) a body traveling in a straight line and decreasing in speed: RIGTH
A decrease in speed is a change in velocity, so it means acceleration.
3) a body traveling in a straight line at constant speed: WRONG.
That body is not changing either direction or speed so its motion is not accelerated but uniform.
4) a body standing still : WRONG.
That body is not changind either direction or speed.
5) a body traveling at a constant speed and changing direction: RIGHT.
The change in direction means that the body is accelerated. The acceleration due to change in direction is named centripetal acceleration.
</span>