A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x = 60.0 m/s and v0y = 175 m/s, as shown in the figure.
The projectile rises and then falls into the sea at point P. The time of flight of the projectile is 40.0 s, and it experiences no appreciable air resistance in flight. What is the height of the cliff?
What will be an ideal response?
Question 2
A rock is thrown at a window that is located 18.0 m above the ground. The rock is thrown at an angle of 40.0 above horizontal.
The rock is thrown from a height of 2.00 m above the ground with a speed of 30.0 m/s and experiences no appreciable air resistance. If the rock strikes the window on its upward trajectory, from what horizontal distance from the window was it released?
A) 53.2 m
B) 48.7 m
C) 71.6 m
D) 29.8 m
E) 27.3 m
Ulysses S. Grant poses at City Point, Virginia, during the siege of Petersburg.
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