OCS 1005 Lecture : Lecture 1 An Ocean World 2012

13 views39 pages

azuremammoth471

15 Mar 2019

School

LSU

Department

Oceanography & Coastal Sciences

Course

OCS 1005

Professor

All

For unlimited access to Class Notes, a Class+ subscription is required.

Document Summary

M, w, f 10:30 11:20/11:30 12:20. This course introduces students to four marine processes -- geological, physical, chemical and biological -- that typify our planet with the hope of broadening their understanding of our oceanic environment and the global climate system. I nstructor: prof. haosheng huang prof. charles lindau. Office hours: m, w, f 12: 30 1: 30 pm m, w, f 1: 30 3: 00 pm. Click on fall 2012 ocs 1005 for your name : syllabus, lecture pdf, handouts, schedule, homework assignments, grades. Seventh edition , brooks/ cole by tom garrison. Section 1 (10:30-11:20) - monday december 3th 7:30 9:30 am. Section 2 (11:30-12:30) - thursday december 6th 10:00 noon. Four tests (50 multiple choice questions) -- 100 points each. Final course grade based on percentage computed as total points/ 4. Final grade a: 90-100, b: 80-89, c: 70-79, d: 60-69, f: 0-59. For dr. huang: 5 homework assignments (extra credit, 5 points each)

Related Questions

In Fig. 30-39, a wire loop of dimensions L = 42.4 cm and W = 28.2cm lies in a magnetic field . What are the (a) magnitude and (b)direction (clockwise - show "1" , counterclockwise - show "0" orânoneâ - show "3" if = 0) of the emf induced in the loop if = (6.10Ã 10-2 T/m)y ? What are (c) (in mV) and (d) the direction if =(6.24 Ã 10-2 T/s)t ? What are (e) (in mV) and (f) the direction if= (8.31 Ã 10-2 T/mÂ·s)yt ? What are (g) and (h) the direction if =(3.28 Ã 10-2 T/mÂ·s)xt ? What are (i) and (j) the direction if =(5.00 Ã 10-2 T/mÂ·s)yt ?

An oscillator of mass m = 2 kg, whose natural frequency ofoscillation is 10 radians/s , feels a force when the oscillator isin motion,
F = -k x - m? d x/dt.
What is the value of the spring constant k?

1. 50 N/m
2. 150 N/m
3. 100 N/m
4. 250 N/m
5. 200 N/

At what value of ? will the damping rate of
the spring be ?/2, without any oscillations of
the spring?
1. 50 s^-1
2. 40 s^-1
3. 20 s^-1
4. 10 s^-1
5. 30 s^-1

I am fairly lost on this problem, so as much explanation aspossible would be greatly appreciated.

Just a few questions from a review packet i'm stuck on, anyhelpwould be appreciated!

1) The moment of inertia about its axis is given as .5 mr^2. Ifthiscylinder rolls without slipping the ratio of it's rotationalkineticenergy to it's translational kinetic energy is
a. 2:1
b. 1:1
c. 1:2
d. 1:3

2) An objectâs angular momentum changes by 20 kg,m2/s in 4.0s. Whatmagnitude average torque acted on this object?
A. 2.5 Nâm
B. 5.0 N-m
C. 40 N-m
D. 80 Nâm

3) A solid cylinder of mass 10 kg is pivoted about africtionlessaxis thought the center O. A rope wrapped around theouter radiusR1 = 1.0 m, exerts a force F1 = 5.0 N to the right. Asecond ropewrapped around another section of radius R2 = 0.50 mexerts a forceF2 = 6.0 N downward. (See Fig. 8-1.) What is theangularacceleration of the cylinder?
A) 1.0 rad/s2
B) 0.60 rad/s2 >my guess<
C) 0.40 rad/s2
D) 0.80 rad/s2

4) A solid sphere of mass 1.0 kg and radius 0.010 m starts fromrestand rolls without slipping down a 1.0-m high inclined plane.What isthe speed of the sphere when it reaches the bottom of theinclinedplane?
A) 3.7 m/s >My guess<
B) 4.4 m/s
C) 5.6 m/s
D) 6.3 m/s

5)A railroad car with a mass of 200 kg is going at 10 m/s. A 70kgstunt man drops directly down on it from a distance of 4 mabove.What is the speed of the railroad car after?
a. 4.7 m/s
b. 7.4 m/s
c. 2.8 m/s
d. 10 m/s

6) A projectile is launched with an initial velocity of 60 m/s atanagnle of 30 degrees above the horizontal. How far will itgo?
a. 318 m
b. 160 m
c. 152 m
d. 184 m

OCS 1005 Lecture : Lecture 1 An Ocean World 2012

Document Summary

Get access

Related Documents

OCS 1005 Chapter : OCS2007Syllabus

OCS 1005 : Pre Test For Test 2

OCS 1005 Chapter : Chemical Ocs

Related Questions