Monday
October 20, 2014

Posts by H.T


Total # Posts: 14

math
0.005 km
May 12, 2011

help help physics
An electron enters the region of a uniform electric field between two oppositely charged parallel plates as shown, with an initial velocity of 3 x 106 m/s. The electric field between the plates is measured to be E = 200N/C. The horizontal length of the plates is 10cm. a. Find ...
May 12, 2011

physics
If you had a more accurate ruler with divisions of 1mm (a standard ruler you would find) what would the absolute error be? (In cm)
April 28, 2011

help physics
If you have a pair of vernier callipers which have divisions of 0.05mm what would the absolute error be?
April 28, 2011

help help 9 physics) i need an aswer fast!
haha, your just too smart =) thanx
April 28, 2011

help help 9 physics) i need an aswer fast!
lol, no me and my friends how homework and we all ( 5 of us) dont get this question. !!
April 28, 2011

help help 9 physics) i need an aswer fast!
a 0.5 m^2 solar collector radiation from the sun and focuses it on 250g of water that is inially at 23 degrees . the average intensity of radiation arriving from the sun at this location is 550 Wm^-2. if you assume that this is collected with 100% efficiency. how much time is ...
April 28, 2011

help Fast ( physics)
a 0.5 m^2 solar collector radiation from the sun and focuses it on 250g of water that is inially at 23 degrees . the average intensity of radiation arriving from the sun at this location is 550 Wm^-2. if you assume that this is collected with 100% efficiency. how much time is ...
April 27, 2011

physics ( help FAST)
Which could potentially cause you the greater injury: being tackled by a lightweight, fast moving rugby league player or being tackled by a player with double the mass but moving at half the speed? Explain your answer
April 26, 2011

physics ( help)
Hypothetically, if you were standing on the balcony of an apartment on the 10th level of building and you throw a ball at 30° above the horizontal away from the building at 4.5m/s, how far from the building would the ball land?. The height from which the ball is thrown is ...
April 25, 2011

physics(help!!!!!!!)
A 1200kg car going 25m/s is brought to a stop using its brakes. Assuming that a total of approximately 20kg of iron in the brakes and wheels absorbs the heat produced by friction. What was the car’s original kinetic energy and after the car has stopped, what is the change...
April 25, 2011

Physics ( HELP)
2) Sketch a graph of height vs. time for a projectile fired at 15 degrees, 45 degrees and 60 degrees to the horizontal.
April 13, 2011

physics ( help)
A large (15kg) holiday decoration is suspended on either side of Hay Street in Perth by two cables stretching between buildings. The length of the first cable is 8m, the second is 6m and the buildings are 12m apart. The 8m rope hangs at an angle 26.4° below the horizontal ...
April 7, 2011

physics
In a scene in an action movie a person is being chased across a roof top. To escape, the person runs off the edge of the building and falls to the roof of a nearby shorter building. The tall building is 50m high, the short building is 40m high and there is a 5m gap in-between ...
April 7, 2011

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