The height of a ball thrown directly up with a velocity of 10 feet per second from a initial height of of 100 feet is given by the equation 2003-19-05-00-00_files/i0140000.jpg, where t is the time in seconds and h is the ball’s height, measured in feet. When will the ball hit the ground? Round your answer to the nearest tenth.
A.
1.4 seconds
B.
2.8 seconds
C.
3.1 seconds
D.
3.7 seconds

Question

The height of a ball thrown directly up with a velocity of 10 feet per second from a initial height of of 100 feet is given by the equation 2003-19-05-00-00_files/i0140000.jpg, where t is the time in seconds and h is the ball’s height, measured in feet. When will the ball hit the ground? Round your answer to the nearest tenth.
A.
1.4 seconds
B.
2.8 seconds
C.
3.1 seconds
D.
3.7 seconds