Part of the equation for calculating elastic potential energy is shown below. E_(e)=(1)/(2)-e^2 a) What letter goes in the gap? Enteranswer b) What measurement does this letter represent? Enteranswer countries

# Explanation: ## Step 1: Looking at the standard formula for elastic potential energy, it follows the general structure: ### Here, represents the elastic potential energy, signifies the spring constant, and refers to the stretch or compression distance. These components might be different in variables but should remain consistent in meaning within their respective physics or mathematics context.## Step 2: In your provided equation, , based on the general structure we established, here plays the role equivalent to in the standard formula.If that's the case, then we can fairly assume that it's the letter 'k', the symbol representing the spring constant that goes in the target gap shown by the placeholder, to continue followed by .# Answer:a) "k"# Explanation: ## Step 3: Since we recognized as the missing symbol to be input in the provided equation, now, we examine its quantitative meaning or unit.## Step 4: In the context of elastic potential energy, as discussed previously, 'k' stands for the spring constant and measures the 'stiffness of the spring'.## Step 5: From a unit of measurement perspective, 'k', the spring constant, represents the amount of force physically needed to stretch or compress the spring by one unit length. Therefore, its SI or light critique vs Femme Lumi commentativeby.us# Answer: b) The spring constant, representing force per unit length.