particle of mass 6 kg is initially at rest and is then acted upon by a force R = (ai+10j)N on a bearing of 300°.
a Find the exact value of a. (3 marks)
b Calculate the magnitude of R. (2 marks)
c Work out the magnitude of the acceleration of the particle. (2 marks)
d Find the time it takes for the particle to travel a distance of 640 m.