Mechanics Y1 (txt, practise, genie)

Question 1

Answer 1

Question 2

Answer 2

For 120:
h is only postive values so h same or greater than 0

sub in equation for h

factorise x outside, then divide across to get rid of it

solve for x

Question 3

Answer 3

displacement- direct distance away

distance- whole journey

Question 4

Answer 4

Question 5

Answer 5

Question 6

c) find the angle the vector PR makes with the unit vector j

Answer 6

c) this time don’t do 180-angle, just find the angle