Concept explainers
Three kids in a parking lot launch a rocket that rises into the air along a 380-m long arc
in 40 s. Determine its average speed.
The average speed of the rocket launched by the kids that rises into the air along
Answer to Problem 18SP
Solution:
Explanation of Solution
Given data:
The distance traveled by the rocket along the arc is
Timespan for which it travels is
Formula used:
Write the expression for average speed.
Here,
Explanation:
Recall the expression for average speed.
Substitute
Conclusion:
The average speed of the rocket launched by the three kids is
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