Marking criteria:
- (1) Any appropriate formula.
- (2) Correct substitution.
- (3) Final answer: 5,94 to 6,08 m·s-1.
Or
Option 2
Upwards positive:
(1)
(2)
(3)
Or
Downwards positive:
(1)
(2)
(3)
Or
Option 3
Motion from top to bottom:
Downwards positive:
(1)
(2)
Initial velocity = 6,02 m·s-1. (3)
Or
Upwards positive:
(1)
(2)
Initial velocity = 6,02 m·s-1. (3)
Or
Motion from bottom to top:
Downwards positive:
(1)
(2)
(3)
Or
Upwards positive:
(1)
(2)
(3)
Or
Option 4
Upwards positive:
(1)
(2)
(3)
Or
Downwards positive:
(1)
(2)
(3)
Or
Option 5
(1)
(2)
(3)
Or
Option 6
Any one (1)
(2)
(3)
Or
Option 7
(1)
(2)
(3)