After a Shell Explodes at the Top of Its Trajectory,the

question 36

Multiple Choice

After a shell explodes at the top of its trajectory,the center of gravity of the fragments has an acceleration,in the absence of air resistance,

• A)of less than g downward.
• B)equal to g and downward.
• C)greater than g and downward.
• D)of g downward plus a forward component.
• E)of g downward plus a backward component.

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