How fast is betty moving when the swing passes through its lowest position?
betty weighs 420N and she is sitting on a seat swing that hangs 0.40 m above the ground. Tom takes the back swing and releases it when the seat is 1.00 m above the ground.
In point potential energy release is maximum mg * h = 6 = 420 *. [Diffrence between 1m and 0.4 m] In the end most of the points of maximum kinetic energy is =. 5 mv ^ 2, which must be assimilated 0.5 * v * m ^ 2 = 420 *. 6 [m = 420/9.8] v ^ 2 = [420 *. 6] / [0.5 * 420/9.8] =. 6 * = 11.76 9.8/.5 v = 3.429m/sec
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Swing Sets For Children- Time to Choose Between Wood and Metal
You are a parent and obviously you would want the best for your baby and your older child. For children of this age group a swing set is an excellent gift option and you need to consider a few things before you go into a buy it. You have to decide properly if you want to keep it for a long while or just buy your child newer ones. In fact you can do both at the same time. If you are a parent of a baby or a toddler then your options have to be changed. You have to go in for swing that has a seat which is pretty much safe for your child. The swing seat that you plan to buy for your toddler must come with a swing seat that provides your child with absolute safety and also presents proper support for his/her spine.
You can also check other available choices as per as the swing seat for your toddler is concerned. The most common option is to go for the ones with plastic seats that are really soft. Apart from these there are also some plastic molded gyms for them to play. Many affordable swings are also available for you and do keep in mind that these would last for around two years before your kid gets bored of it. Kids who are a bit older have more options and can choose from several different designs and materials. Swing sets made from metal last longer than the wooden ones and are tougher as well. These are often overlooked even though they need very less care.
Wooden Swing sets are also available and they have a larger variety. These can vary in quality and also from the kind of timber they are crafted from. You can also check the ones made from pre-cut wood and there are others that have several pre-assembled services as well. These varieties come with instructions too. What you plan to buy also largely depends on your budget and the amount of money that you are willing to pay. There are many assembled sets available which can cost big bucks and thus you should do a bit of research before buying hastily. In case you plan to build one yourself, you can do so only if you are meticulous to the point of molding a nice and safe swing for your kid
For a toddler you can go on to purchase a swing seat with a soft seat made of plastic for your toddler. This is also the most common option and there are several gyms made out of molded plastic that can be used as well. Keep in mind that these stuffs would last only for a couple of years till your kid grows out of it. The older babies have more options as far as swing sets are considered. They can choose from various materials, and also of varied sizes. There are swing sets molded in metal and though these are overlooked, but they are considerably sturdier and more durable than their wooden counterparts.
Wooden swing sets have a huge variety as per the specifications and also depends on the timber’s quality that is used. You can check out swing sets made from previously cut lumber and these are equipped with pre-assembled perks. Wooden swing sets also come with instructions as well. There are quite a few swing sets that can burn a hole in your pocket and your purchase also depends on the calculated budget that you have. Instead of going to buy swing sets it is advised that you check out a few more and then go buy the one that fits in your budget as well as your choice. You can also build one yourself but you got to be meticulous enough and built it nice and safe.
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