subject
Mathematics, 15.12.2020 07:40 MamaJae

A professional stunt performer at a theme park dives off a tower 21 m high into the water. His height above the ground at time t seconds is given by the equation h= -4.9t^2 + 21. a) How long does it take to reach the halfway mark?

b) How long does it take to reach the water?

c) Compare the times in (a) and (b). Explain why the time at the bottom is not twice the time at the halfway point.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 22.06.2019 00:20
Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?
Answers: 2
question
Mathematics, 22.06.2019 00:40
If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?
Answers: 1
question
Mathematics, 22.06.2019 02:00
Factor the following expression completely 6x^11-24x^7
Answers: 1
question
Mathematics, 22.06.2019 05:00
Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?
Answers: 1
You know the right answer?
A professional stunt performer at a theme park dives off a tower 21 m high into the water. His heigh...
Questions
question
Mathematics, 02.12.2020 01:00
question
English, 02.12.2020 01:00
Questions on the website: 13722360