A Projectile of Mass 0

question 26

Multiple Choice

A projectile of mass 0.50 kg is fired with an initial speed of 10 m/s at an angle of 60° above the horizontal.The potential energy of the projectile-Earth system when the projectile is at its highest point (relative to the potential energy when the projectile is at ground level) is:

• A)25 J
• B)18.75 J
• C)12.5 J
• D)6.25 J
• E)none of these

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