Standardized Testing and Reporting - STAR
Physics (End-of-course)
- Question
- What this Question
is Testing
Conservation of Energy and Momentum (Performance Level: Proficient) – Question 01
A 2.0-kilogram mass is moving with a speed of
What is the kinetic energy of the mass?
A 1.5 J
B 6.0 J
C 9.0 J
D 12.0 J
Results
- 7% of students gave this response.
- 24% of students gave this response.
- 66% of students gave this response. (Correct Response)
- 3% of students gave this response.
Note: Percentages may not total 100 due to rounding.
What this Question is Testing
Physics Reporting Category: Conservation of Energy and Momentum
2. The laws of conservation of energy and momentum provide a way to predict and describe the movement of objects. As a basis for understanding this concept:
2.a. Students know how to calculate kinetic energy by using the formula E=(1/2)mv2.