Three Different-Mass Projectiles Are Launched at Different Angles of Elevation

question 70

Multiple Choice

Three different-mass projectiles are launched at different angles of elevation from the top of a building. Each particle has the same initial kinetic energy. Which particle has the greatest speed just as it impacts with the ground?

• A) The one launched at the highest angle of elevation.
• B) The one with the highest mass.
• C) The one with the lowest mass.
• D) They all will have the same speed on impact.

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