Page 571 - MODUL SPEKTRUM FIZIK SPM

(SET 4)

Question Answer Scheme Marks Allocated
(a)(i) MV: Height// h 1
(a)(ii) RV: Final velocity// v// Length of 2 ticks ticker 1
tape// s
(a)(iii) CV: Mass of trolley// time taken for 2 ticks 1
(b)(i) t = 0.04 s 1
(b)(ii) Tabulation for h, s and v

-1
-1
h (cm) s (cm) v (cm s ) v (m s )
10.0 3.0 75.0 0.75
15.0 4.5 112.5 1.13
20.0 6.3 157.5 1.58
25.0 7.5 187.5 1.88 6
30.0 8.8 220.0 2.20

✔1 : All headings for h, s and v correct
✔2 : All units for h, s and v correct
✔3 : 3 readings of s correct
✔4 : All readings of v correct (Accept ecf)
✔5 : All readings of s consistent to 1 d.p & ✔6 : All
readings of v consistent to 1 d.p (in cm s ) or 2 d.p (in
-1
-1
m s )
(c) Graph of v against h
✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm) 5
(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

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