![subject](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 19:11 aghalyaa
An object is launched at 19.6 meters per second (m/s) from a 58.8-meter tall platform. The equation for the object's height s at time t seconds after launch is s(t) = –4.9t2 + 19.6t + 58.8, where s is in meters. After how long will it reach its maximum height? What is the maximum height?
A. After 4 seconds the object will reach its maximum height of 58.8 seconds
B. After 5 seconds the object will reach its maximum height of 38.3 seconds
C. After 6 seconds the object will reach its maximum height of 58.8 seconds
D. After 2 seconds the object will reach its maximum height of 78.4 s
2. An object is launched at 19.6 meters per second (m/s) from a 58.8-meter tall platform. The equation for the object's height s at time t seconds after launch is s(t) = –4.9t2 + 19.6t + 58.8, where s is in meters. When does the object strike the ground?
A. -2 seconds
B. 2 seconds
C. 6 seconds
D. 78.4 seconds
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30, drepeter86
50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.
Answers: 3
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:10, dilibngalmira
What is the length of side s of the square shown below?
Answers: 3
You know the right answer?
An object is launched at 19.6 meters per second (m/s) from a 58.8-meter tall platform. The equation...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 13.12.2020 20:30
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
English, 13.12.2020 20:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 20:30
![Konu](/tpl/images/cats/pravo.png)
Law, 13.12.2020 20:30
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 13.12.2020 20:30