# Appendix H. Answers to Problems in Part II

- 2. a. 111.25 N
- b. 73 kg
- c. 27.94 cm
- d. 6.1 m/s
- e. 2.84 liters

- 3. a. 50 cm
- b. 22.4 cm
- c. 54 cm
- d. 71.7 cm

- 4. a.
*x*= 40.78 m/sec;*y*= 19.02 m/sec- b.
*x*= – 60.1 N;*y*= 60.1 N - c.
*x*= 75.85 kg;*y*= –90.39 kg - d.
*x*= – 21.65 m/s2;*y*= –12.5 m/s2

- b.
- 5.
*s*= 28 meters;*d*= 12 meters - 6.
*x*= 627.8 N;*y*= 168.2 N - 7.
*V*= 28.65 m/s;*v*= 93.98 ft/s; θ = 29.25 degrees or .51 radians - 8. Horizontal (
*x*) = 103.4 N; vertical (*y*) = 37.6 N - 9. c. 1992 m at 106°
- e. Rectangular = –535 m, 1919 m Polar = 1992 m, –74 degrees or 106 degrees from start

- 10.
*x*= 112.5 lb;*y*= 51 lb;*R*= 123.5 lb; θ = 24° - 11. b.
*x*(stabilizing) ≊ 834.5 N;*y*(rotary) ≊ 337 N - 12. 1359 N; θ = 20 degrees

- 3. 1500 m = 12.19 m/s
- 5000 m = 11.27 m/s
- 10,000 m = 11.09 m/s

- 5.
*t*= .177 sec - 7.
*t*= 3.9 sec up; total = 7.8 s*y*= 38.2 m/s - 11.
*t*= 3.46 sec;*s*= 58.7 meters*t*= 2.4 sec;*s*= 49.88 meters - 12. Start of force: ω = 1089.7
deg/sec (19 rad/sec)
- Contact: ω = 1153.8
deg/sec (20 rad/sec)
*v*= 7 m/s

- Contact: ω = 1153.8
deg/sec (20 rad/sec)

- 4.
*x*(stabilizing) = 77.6 N;*y*(rotary) = 289.8 N - 9.
*E*= 6.7 N - 10.
*EA*= 1.6 meters;*RA*= 0.4 meter - 14.
*E*= 285 N - 15. 3 cm:
*T*= 1.7 kg ˙ m- 15 cm:
*T*= 8.3 kg ˙ m

- 15 cm:

**Log In to View More**

If you don't have a subscription, please view our individual subscription options below to find out how you can gain access to this content.

### MyAccess Sign In

**
Want remote access to your institution's subscription?**

Sign in to your MyAccess profile while you are actively authenticated on this site via your institution (you will be able to verify this by looking at the top right corner of the screen - if you see your institution's name, you are authenticated). Once logged in to your MyAccess profile, you will be able to access your institution's subscription for 90 days from any location. You must be logged in while authenticated at least once every 90 days to maintain this remote access.

Ok### About MyAccess

If your institution subscribes to this resource, and you don't have a MyAccess profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus.

Ok## Subscription Options

### AccessPhysiotherapy Full Site: One-Year Subscription

Connect to the full suite of AccessPhysiotherapy content and resources including interactive NPTE review, more than 500 videos, Anatomy & Physiology Revealed, 20+ leading textbooks, and more.