To find: The average speed of the object during the first 4 seconds of fall.
Answer to Problem 2E
The average speed of the object during the first 4 seconds of fall is
Explanation of Solution
Given information:
The object is dropped from rest from the top of a building falls
Calculation:
The average speed of the object can be calculated by dividing the distance travelled over any time interval.
Use the formula for the average speed of the object.
Initially, the object was at rest so
Therefore, the average speed of the object during the first 4 seconds of fall is
Chapter 2 Solutions
Calculus: Graphical, Numerical, Algebraic
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