Question 3 A particle is projected vertically upwards from horizontal ground. The speed of the particle 2 seconds after it is projected is \( 5 \mathrm{~ms}^{-1} \) and it is travelling downwards. (a) Find the speed of the projection of the particle. 2 marks
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- The speed of the particle 2 seconds after projection is \( 5 \, \text{ms}^{-1} \) and it is traveling downwards. Show more…
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