A rum distillery in Barbados uses a conveyor belt that accelerates crates uniformly from rest. If a crate reaches 4 m/s after travelling 8 m, what is the acceleration?

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Question

A rum distillery in Barbados uses a conveyor belt that accelerates crates uniformly from rest. If a crate reaches 4 m/s after travelling 8 m, what is the acceleration?

Accepted Answer

1.0 m/s² — 0 m/s². Award 1 mark for using v² = u² + 2as: 16 = 0 + 2a(8), 16 = 16a, a = 1.0 m/s². A is incorrect — results from v²/2s² error. C is incorrect — results from v/s. D is incorrect — confuses final velocity with acceleration.

Answer

4.0 m/s²

Answer

1.0 m/s²

Answer

2.0 m/s²

Answer

0.5 m/s²

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