A 1-Kg Rock That Weighs 9

question 4

Multiple Choice

A 1-kg rock that weighs 9.8 N is thrown straight upward at 20 m/s.Neglecting air resistance,the net force that acts on it when it is half way to the top of its path is

• A)less than 9.8 N.
• B)9)8 N.
• C)more than 9.8 N.

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Future Involvement

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