A Toy Rocket That Weighs 10 N Blasts Straight Up

question 16

Multiple Choice

A toy rocket that weighs 10 N blasts straight up from ground level with an initial kinetic energy of 40 J. At the exact top of its trajectory, its total mechanical energy is 140 J. To what vertical height
Above the ground does it rise, assuming no air resistance?

• A) 14 m
• B) 10 m
• C) 24 m
• D) 1.0 m

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