A Projectile Is Fired from the Edge of a Cliff

question 74

Multiple Choice

A projectile is fired from the edge of a cliff as shown in the figure. The initial velocity components are 940 m/s (horizontal) and 96 m/s (vertical) . The projectile reaches maximum height at point P and then falls and strikes the ground at point Q. How high is point P above point Q, assuming no air resistance?

• A) 470 m
• B) 490 m
• C) 45,000 m
• D) 940 m
• E) 90,000 m

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