luciemcginlay5481 luciemcginlay5481

07-03-2024
Physics

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A 10.0 kg projectile is fired at an upward angle of 65.0 degrees from the top of a 550 m cliff with a speed of 90 m/s. What is the kinetic energy of the projectile when the potential energy is 7,000J?
A. 40,500J
B. 81,000J
C. 8,100J
D. 4,050J

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