Richard wrote a list of the advantages of using any one of the six simple machines. His list is below. Which statement about sim
2 answers:
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On comparing values , we see that student which has the largest percent error is <u>A. Student 4: 9.61 m/s2 .</u>
<u>Explanation:</u>
Here, we have Four students measured the acceleration of gravity. The accepted value for their location is 9.78m/s2. Let's calculate which student’s measurement has the largest percent error :
<u>A. Student 4: 9.61 m/s2 </u>
Percentage of error = %.
<u>B. Student 3: 9.88 m/s2 </u>
Percentage of error = %.
<u>C. Student 2: 9.79 m/s2 </u>
Percentage of error = % .
<u>D. Student 1: 9.78 m/s2</u>
Percentage of error = % .
On comparing values , we see that student which has the largest percent error is <u>A. Student 4: 9.61 m/s2 .</u>
Answer:
The energy of the system is 15 J.
Explanation:
Given that,
Energy E = 2.5 J
Amplitude = 10 cm
We need to calculate the spring constant
Using formula of mechanical energy of the system
Put the value into the formula
If the block is replaced by a block with twice the mass of the original block
Amplitude = 6 cm
We need to calculate the energy
Using formula of mechanical energy
Put the value into the formula
Hence, The energy of the system is 15 J.