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A javelin thrower releases a javelin 1.5 meters from the ground with an intital vertical velocity of 25 meters per second How long will it take the javelin to hit the ground?
Wiki User
∙ 14y ago
Time to reach the top of the arc = (25/9.8) seconds.
Time to return to the height from which it was launched = another (25/9.8) seconds.
Time to fall the additional 1.5 meters:
D = V0 t + 1/2 g t2
1.5 = (25) t + 4.9 t2
4.9 t2 + 25 t - 1.5 = 0
t = (1/9.8) [ -25 +/- sqrt(625 + 6 x 4.9) ] = (1/9.8) [ -25 +/- sqrt(654.4) ] = 0.0593 sec
Total time = (50/9.8) + (0.0593) = 5.695 seconds.
Assumes:
-- (ground elevation at launch point) - (ground elevation at landing point) = 0
-- no air resistance
Wiki User
∙ 14y ago
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How many syllable are in javelin?
Javelin has 3 syllable which are JA-VE-LIN
Does a javelin thrower have to throw the javelin over a pole to win?
No - the thrower must simply throw the javelin the furthest distance with both a legal delivery and landing of the implement.
How did the javelin start?
Javelin, before it was a recognized sport, was originally a hunting method used by humankind the world over. Javelin first emerged in the Greek Olympics as part of the first pentathlon. Though the construction of the javelin and the methods of delivery have evolved over time, the nature of the event has been preserved.
What is the Angle of the Javelin Landing Sector?
it is 0.2365 degrees
What is a javelin?
A javelin is a long pole approximately 2 meters long used in the javelin field event of track and field. Javelin makes and models vary in terms of weighting, weight distribution and material composition, but most standard javelins are made of aluminum, steel or carbon. At its approximate center of gravity, a length of cord is wrapped around the shaft to create a grip for the thrower. The thickness of a javelin tapers at both ends, coming to a silver point at its head and a thinner, less pointed (yet still relatively sharp) end at its tail. Painted designs and emblems vary depending on the design and maker of the implement.
What can you use for javelin except javelin?
A Javelin
What is the name given to Olympic sport of spear throwing?
It is the Javelin.
What is a person who uses a javelin?
The person who uses a javelin or participates in the sport is called a javelin thrower. The javelin throwers throw the javelin by the use of their hands.
What Equipment needed in javelin?
Javelin is a metal tipped spear used in an athletic event known as javelin throw. Unlike other throwing events, in javelin throw the thrower has to cover a long run-up area before throwing. It provides him certain forward velocity so that the javelin could be thrown up to the maximum distance.In javelin throws only those throws are legal in which the tip of javelin touches the ground first. As it is considered a dangerous event, the throwing areas are restricted. Usually each participant get three or sometimes six chances. After throwing, a javelin can attain the speed up to 113 km/h (70 mph).Materials:The main portion of a javelin is made of wooden shaft to which a sharp pointed metal tip is attached. The sharp tip helps the javelin to pierce the ground easily. Fiberglass and Carbon fiber is also used instead of wood. In the middle of javelin, a strip of threads or leather covers are winded to provide a solid grip.Length of javelin * Men's javelin is 260cm (8.5 feet) in length. * Women's javelin is 220cm (7.25 feet) in length.
Why you should run before to throw a javelein?
You want the javelin to be going as fast as possible when you release it. If you are running as fast as you can and THEN throw it, it will have significantly higher velocity, and will travel farther.
What is the length of the javelin?
2.5m modern javelin
What is the plural for javelin?
The plural for for javelin is javelins.
What does the javelin represent?
whatbdoes the javelin respresent
Is javelin an abstract noun?
No, a javelin is something you can see or hold so javelin is a concrete noun.
What is the objective of the javelin event?
The objective of Javelin is to throw the javelin over the greatest possible distance.
Long thin pole thrown in olympics?
It's called a Javillon. (If it has a sharp edge on it)
What is the sport called in the Olympics with a javelin?
The Javelin Throw.
