Haven't got the markscheme...i'm looking for it as well
But....i've got just the answers if thats n e help....
Question 1
a) 3 ms-2 b) 6 s c) 26.6 ms-1
Question 2
a) 14.50 b) 6.99 N
Question 3
a) (graph) b) 55 ms-1 c) 7.5 ms-2
Question 4
a) 10 kg b) 2.4 m c) (i) weight at centre, (ii) plank stays straight, (iii) weights act at the extreme ends of the plank
Question 5
a) 5.6 ms-1 b) 5.2 ms-1 c) 8103.2 N d) 0.14 m
Question 6
a) 2 hours, rA = -i + 14j = rB hence collision
b) AB = (8 – 3t)i + (-6 + 4t)j c) 2.83 km d) time is 1440
Question 7
a) 4.5 ms-2 b) (show that the component of weight down the slope is bigger than the maximum frictional force) c) 1.5 ms-2