PH-348
Acceleration
Physics · Secondary 3 · Medium · Acceleration
A stone is thrown vertically upwards with an initial speed of 12 m/s. Take the acceleration of free fall as 10 m/s². What is the stone’s speed 1.0 s after it is thrown? (Ignore air resistance.)
- 2.0 m/s upwards
- 2.0 m/s downwards
- 22 m/s upwards
- −22 m/s downwards
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