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Concept explainers
If you drop at the same time a regular soccer ball and a soccer ball filled with sand from the top of a tall building, the ball to land first will be,
(a) regular soccer ball.
(b) ball filled with sand.
(c) They will hit at the same time
![Check Mark](/static/check-mark.png)
The correct option for the statement "If you drop at the same time a regular soccer ball and a soccer ball filled with sand from the top of a tall building, the ball to land first will be,".
Answer to Problem 9RAT
The correct option for the statement "If you drop at the same time a regular soccer ball and a soccer ball filled with sand from the top of a tall building, the ball to land first will be," is option (c).
Explanation of Solution
When any object is free-fall, the object’s acceleration is become equal to the gravitational acceleration.
Write the expression for gravitation force acting on a free-falling body.
Here,
G is the gravitational constant
M is the mass of a planet
m is the mass of a body
d is the separation distance
Write the expression for the force on a body by Newton's second law.
Here,
m is the mass of a body
a is the acceleration of a body
By combining both expressions.
This expression concludes that the acceleration acting on a free-falling body is independent of its mass; thus, they both will hit at the same time.
Conclusion:
Therefore, the correct option for the statement "If you drop at the same time a regular soccer ball and a soccer ball filled with sand from the top of a tall building, the ball to land first will be," is option (c).
Chapter 3 Solutions
Conceptual Physical Science Explorations
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