A body mass 0.20 kilograms slip by track in the form of a semicircle of radius R = 4.0 meters starting from point A. When passing through the lowest point B the speed is 6.0 m / s. In section AB the work of the forces resisting motion is ?
Figure on the link: img130.image shack.us/img130/8563/imagemds.png (Please remove spaces from link)
work done on the body by resistive forces is W = m g r - 1 / m v^2 = 0.2×9.8×4 - 1/2 x0.2 x 36
= 6 J ( nearly)
( it is by coservation of energy , that
work done = potential energy lost - kinetic energy gained )

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Can an ED cure really be that simple and effective? Yes, in fact, many believe that an ED natural cure is more effective and safer than prescription erectile dysfunction medication.
Fact! Each year, millions of men suffer the common side effects associated with ED medication including nausea, headaches, flushing, and diarrhea.
Fact! Each year, a hand full of men suffer from life changing side effects associated with ED medications like permanent blindness and deafness caused by strokes.
If you are part of the millions who are concerned about ED prescription medication, maybe it is time you learn about the fastest growing treatment for this male problem, impotence remedies?
Can Natural Remedies Work for You?
The greatest hurdle that many people face when trying natural remedies is the fact that they are called ‘natural remedies’. Unfortunately, some people still think all natural remedies are quack treatments. This could be nothing further from the truth.
In the past decade natural remedies have become one of the fastest growing types of treatments because of research. Most remedies have been researched enough to show legitimacy or illegitimacy. And with research, many doctors who have personally studied natural treatments are now recommending some simple remedies along with medication.
But as a natural health expert who has thousands of customers, I am 100% convinced that 95% of men can naturally cure their erectile dysfunction with simple remedies. And you can because your body has an internal intelligence that allows it to heal itself if given the right tools.
In the case of male impotence, there are over 20 proven natural remedies you can try to treat your common male problem! Here’s a few of them.
5 Impotence Remedies You Can Try Tonight
1. Because male impotence is a usually caused by a circulation problem, we recommend boosting your circulation. There are numerous ways to do this but we recommend starting with your diet. You should always try to eat low fat and low cholesterol foods which keep your arteries clear.
Another tip would be to try to get at least 5 fruits and vegetables a day because of their fiber content. Fiber is a natural flusher which will keep cholesterol and plaque out of the arteries!
2. We also recommend a few herbs for curing this problem. One herb in particular, gingko, is especially important to supplement. Gingko will naturally increase blood flow downstairs and has been shown to reverse the side effects of impotence.
3. This might be the more expensive route but many of our customers have found success with it so I thought I would share it! Lepidium Meyenii is also known as Maca Root. This root has a wide range of medicinal benefits. It is mostly used with infertility, erectile dysfunctions, and increasing sexual activity. It is offered in a herbal male supplement called Vuka Nkuzi. Stop at your local health store today.
4. Obviously you know that stress is important to decrease. Some helpful tips you may use to reduce stress are to stop smoking, exercise, practice breathing exercises, eat complex carbohydrates (whole grains, vegetables, fruits) and laugh!
5. Educate yourself on erectile dysfunctions and natural health. The mental aspect of natural remedies is extremely important because it teaches you everything you should know about a home treatment. The most researched ED natural cure information is available on this Male Impotence Remedy Report!
Don’t Deal with the Side Effects! Treat Yourself at Home!
You can cure yourself with our ED Cure by tonight! That is our 100% guaranteed cure that has allowed us to help over 10,000 men who struggle with your same problem. And that is the reason behind our extremely high satisfaction rate!
If you would like to know every researched impotence remedy, please visit our website today. We offer the only step by step, researched based, 100% guaranteed erectile dysfunction cure on the internet!
Whether you struggle with this or your significant other, we promise you will not be disappointed.
Joe Barton
http://www.articlesbase.com/men’s-health-articles/ed-cure-impotence-remedies-may-work-better-than-prescription-ed-pills-537759.html

FOR SMOOTH NATURAL CURLS A modernized, sulfate-free version of Curls Rock Shampoo, designed to prepare curls for easy styling. This specifically designed sulfate-free formula preps curls for styling. Rich Marine Botanicals of seaweed and sea fennel help smooth the cuticle and calm frizz. Cucumber water helps maintain and define beautiful, bouncy curls. Benefits: Cleanse Factor: Light/Moderate Sulfate-free and colour-safe Improves Curl Retention Resists Humidity & Fights Frizz Adds Shine & Strength Fragrance: White Lotus TIGI Creative Team Tip: Work through hair concentrating on the scalp. Rinse thoroughly.
Copyright (c) 2009 Kha Ton
Work from home has many benefits, however it certainly offers some challenges to. Here are five work from home strategies to help you become more effective and earn more money at the same time.
1. Set up a separate area in your home where you are at work and everyone knows it. This will help eliminate some of your distractions as well as make you more effective when you are at work.
You can change a spare bedroom into an office and when you walk into it you can feel you are at work. Neighbors and family members know that when you are in your office you are not to be disturbed. This will help you enjoy and get more work done too.
2. Do not cut corners on tools that you need to do your job. If your computer is outdated you should consider updating it. You should also have high speed Internet if your work requires the Internet.
Also purchase only the necessary office supplies for the type of work that you are doing. If you spend a lot of time at your desk get a comfortable chair and make yourself comfortable in every possible way.
3. Automate as much of your daily activities on the Internet. For instance if you have an Internet business email can be a good time consuming chore.
One way to get around that is to create a frequently asked questions page where people can get answers without emailing you. If you are doing e-mail marketing you can set up an auto responder and let it send out e-mails on a pre-programmed basis.
4. Consider selling products that will allow you to work from home and make a residual income. It is an excellent concept and can be done in a different ways on the Internet.
Network marketing is one way to build a distributorship and get paid on the efforts of others. Two tier residual income programs are another way to make money by recruiting affiliate marketers and getting paid a commission on their sales.
5. Work at developing multiple streams of income. Even if you work for somebody else, and get paid an hourly rate, you can still develop an Internet business on the side. The benefit of multiple streams of income as a work from home strategy is it allows you to leverage your time to protect your income.
This is five work from home strategies to follow to help you become more effective and more profitable. Anyone can work from home utilizing these five things.
Kha Ton
http://www.articlesbase.com/internet-articles/5-work-from-home-plans-736526.html

This rack, specially designed to work with the Bowflex Revolution XP home gym, stores your accessories and attachments between workouts to help keep your workout area organized.
Copyright (c) 2009 Kha Ton
Work from home has many benefits, however it certainly offers some challenges to. Here are five work from home strategies to help you become more effective and earn more money at the same time.
1. Set up a separate area in your home where you are at work and everyone knows it. This will help eliminate some of your distractions as well as make you more effective when you are at work.
You can change a spare bedroom into an office and when you walk into it you can feel you are at work. Neighbors and family members know that when you are in your office you are not to be disturbed. This will help you enjoy and get more work done too.
2. Do not cut corners on tools that you need to do your job. If your computer is outdated you should consider updating it. You should also have high speed Internet if your work requires the Internet.
Also purchase only the necessary office supplies for the type of work that you are doing. If you spend a lot of time at your desk get a comfortable chair and make yourself comfortable in every possible way.
3. Automate as much of your daily activities on the Internet. For instance if you have an Internet business email can be a good time consuming chore.
One way to get around that is to create a frequently asked questions page where people can get answers without emailing you. If you are doing e-mail marketing you can set up an auto responder and let it send out e-mails on a pre-programmed basis.
4. Consider selling products that will allow you to work from home and make a residual income. It is an excellent concept and can be done in a different ways on the Internet.
Network marketing is one way to build a distributorship and get paid on the efforts of others. Two tier residual income programs are another way to make money by recruiting affiliate marketers and getting paid a commission on their sales.
5. Work at developing multiple streams of income. Even if you work for somebody else, and get paid an hourly rate, you can still develop an Internet business on the side. The benefit of multiple streams of income as a work from home strategy is it allows you to leverage your time to protect your income.
This is five work from home strategies to follow to help you become more effective and more profitable. Anyone can work from home utilizing these five things.
Kha Ton
http://www.articlesbase.com/internet-articles/5-work-from-home-plans-736526.html

Fewer trips. Its an arsenal of gear and it moves where you move! Heavy steel tray is ideal for holding tools and small parts in automotive and mechanical environments. Ring under seat for pneumatic lift adjustment. Round molded polyurethane seat on a heavy duty base. Dual wheel casters are standard. Black finish with Black tool tray. Some assembly required General Tools Required: No UPSable: Yes Capacity - Weight: 250 lbs. Wheel / Caster Style: Polyurethane Casters (two locking) Wheel / Caster Size: 3″ dia. Material(s): Polyurethane (seat) Assembly Required: Yes Finished Product Dimensions: 18″dia. x 15 1/2″ to 20″h Finished Product Weight: 19 lbs. Chair Functionality Chair Functionality: 360 Swivel, Pneumatic Seat Height Adjustment Seating Seat Size: 13 1/2″ dia. Seat Height: 16 to 21″ Base Size: 18″ dia.