Solved

Solve. -If a Rock Falls from a Height of 80 Meters

Question 172

Multiple Choice

Solve.
-If a rock falls from a height of 80 meters above the ground, the height H (in meters) after x seconds is approximately H = 80 - 4.9x². What is the height of the rock after 2 seconds? (Round your answer to the nearest tenth.)


A) 70.2 m
B) 300.4 m
C) -16.04 m
D) 60.4 m

Correct Answer:

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