kels90951 kels90951

14-02-2024
Physics

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A ball weighing 9.8 N is tossed straight up at 20 m/s. Ignoring air resistance, when the ball is halfway up to its greatest height, the net force acting on it is ________.
1) zero
2) 9.8 N
3) 19.6 N
4) 39.2 N

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