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Business, 15.04.2020 04:15 pikachu20040

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) 12.5J
D) 6.25 J
E) none of these

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