Question

A particle starts from position vector x1 = (12.0i-4.0j)m and its final position vector is x2 = (2.0i+5.0j)m.

i)find the displacement of the particle.
ii)the particle takes 4 seconds to displace, calculate its average speed.

Answer 1

Answer:

i think this is the ans

Explanation:

hope it helps

Answer 2

Answer: Displacement is 13.45m and velocity is 3.36m/s

Explanation: Refer to the material.