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[answered] Assignment: Applications of Quadratics Investigation Arnold

11/17/2016 Assignment # 4. Can someone please answer CORRECTLY the questions on the attach file???

Assignment: Applications of Quadratics Investigation

Arnold and Jeremy are working on a rocket project for math class. Their job is to find the time it

takes for a model rocket to reach its maximum height and how long it will take the rocket to return

to Earth if the rocket?s parachute fails to deploy.

They are making calculations for three different rocket engines and each engine has a different

initial velocity. They are a bit confused on how to make the calculations. Take a look at the

information that they were given and show them how to set up the equations and solve for the

times requested.

1. A model rocket is launched from the ground with an initial velocity of 160 ft/sec.

a. How long will it take the rocket to reach its maximum height? Show all work in the

space provided. b. Assume the model rocket?s parachute failed to deploy and the rocket fell back to the

ground. How long would it take the rocket to return to Earth from the time it was

launched? Show all work in the space provided. 2. A model rocket is launched from the ground with an initial velocity of 288 ft/sec.

c. How long will it take the rocket to reach its maximum height? Show all work in the

space provided. ? K12 Inc.

AV011413 d. Assume the model rocket?s parachute failed to deploy and the rocket fell back to the

ground. How long would it take the rocket to return to Earth from the time it was

launched? Show all work in the space provided. 3. A model rocket is launched from the ground with an initial velocity of 352 ft/sec.

e. How long will it take the rocket to reach its maximum height? Show all work in the

space provided. f. Assume the model rocket?s parachute failed to deploy and the rocket fell back to the

ground. How long would it take the rocket to return to Earth from the time it was

launched? Show all work in the space provided. ? K12 Inc.

AV011413

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