A ball is released from rest 5.1 metre above a 26.0 metre tank of water. In the water the ball experiences a bouyant force of 53 N and takes 4.70 seconds from the time it is released to reach the bottom of the tank. What is the mass of the ball?
November 12, 2012
At the local fire station they have different lengths of fire hose. the shortest is half the length of the middle-sized one, and one fifth of the length of the longest one. if i connect the three different hose lengths together i make a hose 120m long. how long is the shortest...
August 4, 2010
fractions and decimals
Use the four numbers in each line to make a fraction and an equivalent decimal - please show workings. thanks ? - = ?.? ? 8 6 1 5 9 4 5 2 0 9 10 9 13 6 5 2 5 31 2 6 20 0 4 8 1 60 5 40
April 25, 2010
The US sent aid and assistance to China, much of it beig wasted by BLANK. When General BLANK told Truman that the United States could not affect the results of the Civil SWar, America became less interested in supporting the nationalists. What could be the answers? Could it be...
April 11, 2010
The three gates of the Tower are securely locked by the Chief Warder, and an escort is especially assigned for the ceremony. What is the adverb and what word modifies it and is it an verb, an adjective or another adverb?
October 12, 2009
A special ceremony called The Ceremony of the Keys is performed there nightly. What is the adverb, then what is the word that modifies it and is that word a verb, an adjective or another adverb?
October 12, 2009
maths 4th grade
In end of term tests Zanna got the following marks mathematics 54/75 history 27/40 geography 39/50 english 48/60 french 25/40 art 15/20 what was her best subject her 2nd best her 3rd her 4th her 5th her 6th please show workings
June 26, 2009
give the formular of the highest hydride and highest flouride of ununhexium and explain how you arrived at your answer You can find Uuh in the periodic table. Placement of Uuh in the periodic table will tell you that the chemistry will be similar to the elements in that group...
February 2, 2007