PH-1685
Acceleration
Physics · Secondary 4 · Medium · Acceleration
A ball is dropped from rest and accelerates downwards at .
What is its speed after 2.0 s?
What is its speed after 2.0 s?
- 4.9 m/s
- 9.8 m/s
- 19.6 m/s
- 39.2 m/s
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