Unit 2: Derivatives and Two Dimensional Motion

Review Sheets

Answers

1. 25 m E and 43.3 m S

2. 5.11 m 49.7 degrees W of N

3. 5.83 m/s 31 deg. W of N, 25 m N relative to water, and 29.2 m 31 deg W of N relative to shore.

4. 8.9 degrees S of W with a speed of 557 mph

6 . 7.14 m and 4.20 m/s

7. 35.3 m and 5.10 m

8. 45 degrees: I'll let you figure out why :)

9. 48.2 m

12. 8.66 m/s^2 and 6.46 s

13. .0337 m/s^2 and 0 m/s^2

14. 6.72 g's

15a. 2m and 6 m

b. 1 m/s

c. -2 m/s + 2m/s^2(t)

d. 0, 2 m/s, and 4 m/s

16. Define +y as N and +x as E

Position 92.1 m 86.9 deg N of W

Velocity 13.4 m/s 63.4 deg S of W

Acceleration 12.2 m/s^2 80.5 deg S of W