Math Problem Statement
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=-4.9t2+208t+346.
Solution
To analyze the height function of the rocket, given by , we can explore various aspects:
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Maximum Height: To find the time at which the rocket reaches its maximum height, we can use the vertex formula for a quadratic function, , where and .
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Height at Specific Times: We can calculate the height at specific time intervals, such as at seconds (launch), seconds, etc.
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Time of Flight: To determine when the rocket hits the ground, we can set and solve for .
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Graph of the Function: Plotting the function will give us a visual representation of the rocket's flight.
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Acceleration: The acceleration due to gravity is constant in this function, which is indicated by the coefficient of .
Steps to Find Key Values
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Maximum Height Calculation: Substituting back into the height function will give the maximum height.
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Height at Launch ():
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Ground Impact Time Calculation: Set : Use the quadratic formula .
Would you like to calculate any specific values or delve deeper into a particular aspect? Here are some questions to consider:
- What is the maximum height of the rocket?
- At what time does the rocket hit the ground?
- Can we graph the function for a visual representation?
- How does the acceleration affect the rocket's motion?
- What other factors might influence the rocket's flight path?
Tip: Understanding the properties of quadratic functions can greatly help in analyzing projectile motion!
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Projectile Motion
Algebra
Formulas
h(t) = -4.9t^2 + 208t + 346
t = -b/(2a)
Quadratic formula: t = (-b ± √(b² - 4ac)) / (2a)
Theorems
Vertex formula for quadratic functions
Quadratic formula
Suitable Grade Level
Grades 9-12
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