1. 3.5 km/hr, 0.98 m/s eastward
2. 12.5 km/hr South
3. 1.2 m/s down the street
4. 50,000 yrs
5. 9.15 football fields
6. a) 490 km b) 78 km/hr
7. extra credit
8. 8.20 m/s2
9. 4.0 s (both a and b)
10. 3.44 m/s
11. a) North b) 7.1 m/s
No comments:
Post a Comment