subject
Mathematics, 13.04.2020 22:52 mia3128

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 ft./s, then its height H after T seconds is given by the equation h(t)= -256t + 128t (if air resistance is neglected). How long will it take for the rocket to return to the ground?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.
Answers: 1
question
Mathematics, 21.06.2019 20:10
Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12
Answers: 1
question
Mathematics, 21.06.2019 21:00
Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.
Answers: 1
question
Mathematics, 21.06.2019 23:30
Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence
Answers: 1
You know the right answer?
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 ft./...
Questions
question
Physics, 17.03.2020 09:13
question
History, 17.03.2020 09:37
question
Mathematics, 17.03.2020 09:37