Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test
Practice Question
Acceleration, a, in meters per second squared (m/5}), is found by the formula a= (V2-V2)/t where V1, is the beginning velocity, V2 is the end velocity, and t is time. What is the acceleration, in m/s^2, of an object with a beginning velocity of 14 m/s and end velocity of 8 m/s over a time of 4 seconds?
Answer Choices
- A: 1.5
- B: -1.5
- C: 4.5
- D: -12
Correct Answer: B
Rationale: Use a = (v2 - v1)/t = (8 - 14)/4 = -6/4 = -1.5 m/s^2. Thus, the correct answer is -1.5.