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8.1 Energy transfers and work

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Question 4

A cosmic dust grain is detected by a sensor onboard an interstellar probe.

The kinetic energy of this dust grain is 1.8 × 10-5 J.

The mass of the grain is estimated to be 4.0 × 10-12 kg.

Calculate the velocity of the dust grain.

[3]
Markscheme

8.1 Energy transfers and work Questions

  1. GCSE
  2. /Physics
  3. /8.1 Energy transfers and work

57 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.

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