Exam-style question
Try this first
A ball is dropped from a height of 20 meters. Calculate the acceleration due to gravity if it takes 2 seconds to reach the ground. Use the formula for acceleration.
Model answer
What a good answer should say
- The acceleration due to gravity is 9.8 m/s².
Explanation
Why this works
This question tests the ability to apply the formula for acceleration in a free-fall scenario. The calculation demonstrates understanding of gravitational acceleration.
Common mistake
No common mistake is linked to this question yet.