```json
{
    "issues": [
        {
            "issue": "Incorrect target score for a physics problem about energy loss due to friction",
            "evidence": "A 3.0 kg ball rolls down from the top of a ramp as shown. If the ball is moving at 10.0 m/s at the bottom, how much energy was lost due to friction (thermal energy)?",
            "description": "The equation 'E = K + U + Q' should not have a target score of 1. The correct target score should be 1 for 'K = 1/2 * m * v^2', which directly relates to the kinetic energy at the bottom of the ramp."
        },
        {
            "issue": "Incorrect target score for calculating potential energy",
            "evidence": "A charge q of 30.0 μC is moved from point X to point Y. How much work is done on the 30.0 μC charge?",
            "description": "The target score for 'U_E = k * q * q / r' should not be marked as correct. The correct formula for work done is 'W = dE', which should have a target score of 1."
        },
        {
            "issue": "Misalignment of target scores for electrostatic forces",
            "evidence": "An electron passing between parallel plates 0.025 m apart experiences an upward electrostatic force of 5.1*10^−16 N. What is the magnitude of the electric field between the plates?",
            "description": "The score for 'E = F / q' must be accurately marked as 1, indicating it is the correct equation for calculating the electric field."
        },
        {
            "issue": "Incorrect marking for the potential difference calculation",
            "evidence": "A 0.16 C charge is moved in an electric field from a point with a potential of 25 V to another point with a potential of 95 V.",
            "description": "The target score for 'V = k * q / r' is incorrectly marked. The correct computation should be linked with 'W = dE' for calculating work done."
        }
    ]
}
```