Question

Use your graphing calculator or other technology to answer the question. You must explain how you found your answer.
A ball is thrown with an initial velocity of 12 m/s from a height of 1 meter. At what time does the ball hit the ground? a) t = 2.53 seconds
b) t = 3.25 seconds
c) t = 1.22 seconds
d) t = 1.98 seconds

Answer 1

I am confused

Answer 2

Use your graphing calculator or other technology to answer the question. You must explain how you found your answer.
A ball is thrown with an initial velocity of 12 m/s from a height of 1 meter. At what time does the ball hit the ground?
a) t = 2.53 seconds
b) t = 3.25 seconds
c) t = 1.22 seconds
d) t = 1.98 seconds

Answer 3

\[x=x_0+v_0 t- g t^2/2=1+12t-9.8t^2=0\]solve for t (you may be using the assumption that g=10, so try that if you can't get one of the answers above.

Answer 4

Though my TI-83 says the answer is about 1.29, which is not on the list :/