DP Physics (last assessment 2024)
Question 23M.2.HL.TZ1.1a
| Date | May 2023 | Marks available | [Maximum mark: 5] | Reference code | 23M.2.HL.TZ1.1a |
| Level | HL | Paper | 2 | Time zone | TZ1 |
| Command term | Determine, Draw, Show | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 5]
23M.2.HL.TZ1.1a
(a)
Just before the collision of the ball with the block,
(a.i)
draw a free-body diagram for the ball.
[2]
Markscheme
Tension upwards, weight downwards ✓
Tension is clearly longer than weight ✓
Look for:
(a.ii)
show that the speed of the ball is about 4.3 m s−1.
[1]
Markscheme
v = OR = 4.32 «m s−1» ✓
Must see either full substitution or answer to at least 3 s.f.
(a.iii)
determine the tension in the string.
[2]
Markscheme
T − mg = Fnet OR T − mg = ✓
T «= 0.800 × 9.81 + » = 23.5 «N» ✓