Sam and Joe are on their bikes. They are on a flat, straight road. (a) Joe is stationary when Sam rides past at a constant velocity of 10 m/s. Joe waits for 4 s and then follows Sam. This is a velocity/time graph of their motion. (i) How far did Sam travel during these 15 s? distance = velocity x time Put a cross (✗) in the box next to your answer. A 1.5 m B 10 m C 100 m D 150 m

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Sam and Joe are on their bikes - Edexcel - GCSE Physics - Question 4 - 2014 - Paper 1

Question 4

Sam and Joe are on their bikes. They are on a flat, straight road. (a) Joe is stationary when Sam rides past at a constant velocity of 10 m/s. Joe waits for 4 s an... show full transcript

Worked Solution & Example Answer:Sam and Joe are on their bikes - Edexcel - GCSE Physics - Question 4 - 2014 - Paper 1

Step 1

How far did Sam travel during these 15 s?

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Answer

To determine how far Sam traveled during the 15 seconds, we first need to analyze the velocity-time graph provided in the question.

From the graph:

Sam rides at a constant velocity of 10 m/s for the first 15 seconds.

Using the formula for distance:

ext{distance} = ext{velocity} imes ext{time}

we substitute in the known values:

ext{distance} = 10 ext{ m/s} imes 15 ext{ s} = 150 ext{ m}

Thus, Sam traveled 150 m during the 15 seconds.

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