Ying Wa College PHYSICS S3 1. (a) 47 000 N (1A) (b) Assuming that air resistance acting on the man is negligible. Applying 2 2 1 s = ut + gt , we have (1M) Hence, the man takes 2.47 s to reach the sea. (1A) (c) The graph below shows how the distance between the man and the sea surface varies with time. (3A) (d) Applying v 2 − u 2 = 2gs, the speed of the man just before he hits t ...[Show More]
Category: | EXAM SOLUTIONS |
Number of pages: | 5 |
Language: | English |
Last updated: | 3 months ago |
Downloads: | 1 |
Views: | 0 |