Math Problem Statement
A radar gun was used to record the speed of a runner during the first 5 seconds of a race (see the table). Use Simpson's Rule to estimate the distance the runner covered during those 5 seconds. t (s) v (m/s) t (s) v (m/s) 0 0 3.0 10.51 0.5 4.67 3.5 10.69 1.0 7.34 4.0 10.72 1.5 8.82 4.5 10.81 2.0 9.73 5.0 10.81 2.5 10.22
Solution
To estimate the distance the runner covered during the first 5 seconds of the race using Simpson's Rule, we first need to apply the formula for Simpson's Rule, which is:
Where:
- is the velocity at the first time value,
- is the velocity at the last time value,
- are the velocities at the intermediate time points,
- is the time interval, which is constant for Simpson's Rule.
Data provided:
| t (s) | v (m/s) |
|---|---|
| 0 | 0 |
| 0.5 | 4.67 |
| 1.0 | 7.34 |
| 1.5 | 8.82 |
| 2.0 | 9.73 |
| 2.5 | 10.22 |
| 3.0 | 10.51 |
| 3.5 | 10.69 |
| 4.0 | 10.72 |
| 4.5 | 10.81 |
| 5.0 | 10.81 |
Step-by-step process:
-
Choose time intervals (): The time intervals are equally spaced with a gap of 0.5 seconds.
-
Apply Simpson's Rule: We will use the velocities provided at each -value for our calculations. Since the table provides data at 11 equally spaced points from to , we apply Simpson's Rule with these values.
Plugging in the values:
- Calculate the sum:
- Final computation:
Conclusion:
The estimated distance the runner covered during the first 5 seconds of the race is approximately 57.01 meters.
Would you like further clarification on Simpson's Rule or any other details? Here are some related questions for you to explore:
- How does Simpson's Rule compare to other numerical integration methods like the Trapezoidal Rule?
- What happens to the accuracy of Simpson's Rule as the number of intervals increases?
- How would you estimate the distance if the time intervals were unequal?
- What are some real-world applications of numerical integration methods like Simpson's Rule?
- How can you derive Simpson’s Rule from Newton-Cotes formulas?
Tip: When using Simpson's Rule, ensure that the number of intervals is even to get the correct results!
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Math Problem Analysis
Mathematical Concepts
Numerical Integration
Simpson's Rule
Velocity and Distance
Formulas
Distance = Δt / 3 [ v(t0) + 4 Σ(v(ti)) + v(tn) ]
Theorems
Simpson's Rule
Suitable Grade Level
Grades 10-12
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