Asked by Tiandre
an archer defending a castle is on an 15.5 m high wall. he shoots an arrow straight down at 22.8 m/s
I know this is an easier question but it won’t take the right answer can someone help????
I know this is an easier question but it won’t take the right answer can someone help????
Answers
Answered by
R_scott
using the "free fall" equation ... h = -1/2 g t^2 + vo t + ho
0 = -1/2 * 9.81 * t^2 - 15.5 t + 22.8
use the quadratic formula to find t ... time for arrow to reach the ground
... 1.09 s
sometimes answers aren't taken due to sig fig problems
0 = -1/2 * 9.81 * t^2 - 15.5 t + 22.8
use the quadratic formula to find t ... time for arrow to reach the ground
... 1.09 s
sometimes answers aren't taken due to sig fig problems
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