Question

Help!!!
A ball is thrown directly up in the air from a height of 5 feet with an initial velocity of 60 ft/s. Ignoring air resistance, how long until the ball hits the ground? Use the formula h= -16t^2+60t+5 where h is the height of the ball in feet and t is the time in seconds since it is thrown. Round your answer to the nearest tenth.
A.2.1 seconds
B.3.8 seconds
C.2.4 seconds
D.1.8 seconds

Answer 1

your previous answer was incorrect
it was not B
beware of people who give answers with no explanation, there is a good chance they are wrong

Answer 2

wat how

Answer 3

should i put it up again?