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YOUR PARTICIPATION FOR THE GROWTH OF PHYSICS REFERENCE BLOG

Friday, December 8, 2017

9702 June 2015 Paper 21 Worked Solutions | A-Level Physics

  • 9702 June 2015 Paper 21 Worked Solutions | A-Level Physics





Question 2 - See solution 1026 at
Define speed and velocity and use these definitions to explain why one of these quantities is a scalar and the other is a vector.



Question 3
Two balls X and Y are supported by long strings, as shown in Fig. 3.1. The balls are each pulled back and pushed towards each other.



2 comments:

  1. Speed is the distance covered per unit time so only has a magnitude and unit whereas displacement is the distance covered in a particular direction per unit time so has a magnitude, direction and unit.

    ReplyDelete

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