Practical skills

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Question 9
Easy

A student measures the time taken for a toy car to roll down a 2 m ramp. She repeats the measurement three times and obtains the following results:

  • 1.85 s
  • 1.72 s
  • 1.92 s

What is the mean of the three results?

1.72 s1.72\text{ s}1.72 s

1.83 s1.83\text{ s}1.83 s

1.85 s1.85\text{ s}1.85 s

1.92 s1.92\text{ s}1.92 s

Practical skills Questions

  1. GCSE
  2. /Physics
  3. /Practical skills