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Calculate the mean speed - Edexcel - GCSE Physics Combined Science - Question 4 - 2023 - Paper 2

Question 4

Calculate the mean speed. The ball was released 3 times from the same height and the speed measured each time. The measurements of speed are given in Figure 9. sp... show full transcript

Worked Solution & Example Answer:Calculate the mean speed - Edexcel - GCSE Physics Combined Science - Question 4 - 2023 - Paper 2

Step 1

Calculate the mean speed

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Answer

To calculate the mean speed, add the individual speed measurements together and then divide by the number of measurements:

Add the speeds:

$1.31 + 1.27 + 1.16 = 3.74$ m/s
Divide by the number of trials (which is 3):

$ext{mean speed} = \frac{3.74}{3} = 1.2467 ext{ m/s}$

Rounding the result to two decimal places gives:

$ext{mean speed} \approx 1.25$ m/s.

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Calculate the mean speed - Edexcel - GCSE Physics Combined Science - Question 4 - 2023 - Paper 2

Worked Solution & Example Answer:Calculate the mean speed - Edexcel - GCSE Physics Combined Science - Question 4 - 2023 - Paper 2

Calculate the mean speed

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