Mathematics, 18.03.2021 03:00, beccahaileyowzryu

A cannon ball is launched into the air with an upward velocity of 122 feet per second, from a 14-foot tall cannon. The height h. of the cannon ball after seconds can be found using the equation h=−16t^2+122t+14 .

Approximately how long will it take for the cannon ball to be 28 feet high? Round answers to the nearest tenth if necessary.

How long long will it take to hit the ground?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:40, lawrencebenoit7194

This question awards 100 ! i really don’t want to fail i will also mark you !

Answers: 2

continue

Mathematics, 21.06.2019 19:30, Fdl52417

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Answers: 1

continue

Mathematics, 21.06.2019 21:00, maddyleighanne

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Answers: 1

continue

Mathematics, 21.06.2019 21:00, Kekkdkskdkdk

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Answers: 2

continue

Do you know the correct answer?

A cannon ball is launched into the air with an upward velocity of 122 feet per second, from a 14-foo...