Complete the sentence. Choose the answer from the box. The force from the athlete pushing backwards on the starting blocks is __________ the force from the starting blocks pushing forwards on the athlete. What distance does the athlete travel after the end of the race before stopping? Distance = __________ m Calculate the average speed of the athlete between the start and finish of the 100 metre race. Use the equation: The athlete runs faster than a typical person. What is the average running speed of a typical person in metres per second? Tick (✓) one box.

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Complete the sentence - AQA - GCSE Physics - Question 1 - 2019 - Paper 1

Question 1

Complete the sentence. Choose the answer from the box. The force from the athlete pushing backwards on the starting blocks is __________ the force from the starting... show full transcript

Worked Solution & Example Answer:Complete the sentence - AQA - GCSE Physics - Question 1 - 2019 - Paper 1

Step 1

Complete the sentence

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Answer

The force from the athlete pushing backwards on the starting blocks is equal to the force from the starting blocks pushing forwards on the athlete.

Step 2

What distance does the athlete travel after the end of the race before stopping?

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Answer

Distance = 25 m.

Step 3

Calculate the average speed of the athlete between the start and finish of the 100 metre race.

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Answer

To find average speed, use the formula:

v_{avg} = \frac{d}{t} = \frac{100 \text{ m}}{t} \text{ seconds}

Given that the race takes 8 seconds:

v_{avg} = \frac{100 ext{ m}}{8 ext{ s}} = 12.5 ext{ m/s}

Step 4

What is the average running speed of a typical person in metres per second?

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Answer

The average running speed of a typical person is 3.0 m/s.

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