In Example 5.3, is it really necessary to know the mass of the concreteblock to solve
Chapter 5, Problem Questions 24(choose chapter or problem)
In Example 5.3, is it really necessary to know the mass of the concreteblock to solve this problem? Put another way, would the answer be dif-ferent if it was a 10-kg block that was dropped instead of a 5-kg one?
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