Different mass crates are placed on top of springs ofuncompressed length Lo and

Question

Different mass crates are placed on top of springs ofuncompressed length Lo and stiffness k. The crates are released andthe springs compress to a length L before bringing the crates backup to their original positions.


Rank the time required for the crates to return to their initialpositions from largest to smallest.


1. k=5N/m            
    L=10cm
    Lo=20 cm

2. k=15 N/m
    L=10cm
    Lo=15 cm

3. k=10 N/m
    L=5 cm
    Lo=10cm

4. k=20 N/m
    L=5 cm
    Lo=15cm

5. k=5 N/m
    L=5 cm
    Lo=10cm

6. k=10 N/m
    L=5 cm
    Lo=20cm       I tried using the T=2pieroot m/k but im not sure

Explanation / Answer

Apparently its wrong because T isn't inversely proportional to thespring constant since we are looking for the initial position.

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