Page 16 - TRIAL 2
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8. a) 978.55W
b) 1063.64W
9. a) 144J
b) 9.6N
10. a) 1347.894J
b) 1123.245W
11. 142.245 W
12. 7500W
13. 40.68s
14. a) 900J
b) 15W
15. 91.97%
16. i. P.E = 73.575 J K.E= 0 J
ii. P.E = 36.7875 J K.E= 36.7875 J
iii. P.E = 0 J K.E = 73.575 J
17 11.2929 m/s
18. W=9810 J ; P=162.5 W
19. i. P.E = 147.15 J
ii. P.E = 49.05J K.E = 98.1 J
iii.17.1552 m/s
20. 2.5 W
15
