Question
3. A particle moves along the x-‐axis according to  
3. A particle moves along the x-‐axis according to the function x= 7.0t4 + 3.5t3, where x is in meters and t in seconds. (8 marks)
3.1 Calculate the displacement of the particle from time t = 0s to t = 2s of its motion. (1 mark)
3.2 Calculate the average velocity of the particle from time t = 0s to t = 2s of its motion. (1 mark)
3.3 Calculate the instantaneous velocities of the particle at t=3.0s and t=5.0s. (2 marks)
3.4 Calculate the average acceleration of the particle from time t = 0s to t = 2s of its motion. (2 marks)
3.5 Calculate the instantaneous acceleration of the particle as t=3.0s and t=5.0s. (2 marks
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Answer #1
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