**Answer:**

Permanent or temporary just took the test

**Explanation:**

<h2>

**Answer:** 4200 calories</h2>

Let's start by explaining that **1 Calorie** () is defined as a **unit of thermal energy** that is equivalent to the amount of heat () needed to raise the temperature of 1 gram of water by 1 degree Celsius .

The formula to calculate it is:

** (1)**

Where:

is the **mass**

is the **specific heat **of the element. In the case of water

is the **variation in temperature**, which in this case is

Rewriting equation (1) with the known values:

Answer: The velocity of the proton after it has traveled a distance of 80 cm is 5.1 × 10^6 m/s

Explanation: Please see the attachment below

Answer:through wires or cables

Explanation: