dogeking12
02.08.2019 •
Mathematics
Aball is thrown into the air with an upward velocity of 28 ft/s. its height,h, in feet after t seconds is given by the function h=-16t^2+28t+7. what is the balls maximmum height? how long does it take the ball to reach its maximum height? round to the nearest hundredth, if necessary. plzz
Solved
Show answers
More tips
- C Computers and Internet Can You Insert a Regular SIM Card into an iPad? Let s Find Out...
- F Food and Cooking Лечо: вкусное и простое блюдо для любой кухни...
- H Health and Medicine Relieving Swelling in Legs: Causes and Ways to Alleviate the Symptom...
- S Style and Beauty How to Get Rid of a Bruise: Tips and Tricks...
Answers on questions: Mathematics
- M Mathematics Given a1=64, r=1/2 find the next three terms and the explicit formula....
- M Mathematics Keisha has a straightedge and a compass, but no protactor. what kind of angle can keisha drag exactly with only these two tools?...
- M Mathematics The solution of the equation 2d - 6 = 5 is...
- M Mathematics Find m 1 a: 69 b: 71 c: 86 d: 111...
- M Mathematics Question 2 if a number’s composite form is 256, which of the following shows its exponential form as a product of prime numbers? 28 256 4 · 64 24 · 8 3 points save answer...
- M Mathematics Terrance trains at a rate of 6 miles every half hour and jesse trains at a rate of 2 miles every 15 minutes...
- M Mathematics This is for graphing where would we find the point (–10,0)? a. quadrant ii b. x-axis c. quadrant iii d. y-axis...
- M Mathematics Simplify the expression. 6nx+7p-14p+2nx-6x...
- M Mathematics How can you describe the solution set of the equation 16x^2 - 8x + 1 = 0?...
- M Mathematics What is the answer to this 7/8=? 48...
Ответ:
h= (-16t^2 + 28t + 7)
find the derivative to get time
h' = (-32t + 28)
When the ball reaches its maximum height, its vertical velocity (h’) will be 0
0 = -32t + 28
-32t=-28
-28/-32 = 0.875 seconds
The ball reaches its maximum height in 0.875 seconds after being thrown; plug and chug and:
h= (-16(0.875)^2 + 28(0.875) + 7) = 19.25 feet
Max height = 19.25 feet, time = 0.88 seconds
Ответ: