A student standing on the edge of a cliff throws a rock downward at a speed of 7.5 m/s at an angle 40 below the horizontal. It takes the rock 2.4

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A student standing on the edge of a cliff throws a rock downward at a speed of 7.5 m/s at an angle 40° below the horizontal. It takes the rock 2.4 seconds to hit the ground. How tall is the cliff?

a. 39.8 m

b. 46.2 m

c. 10.2 m

d. 16.7 m

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