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Mohad Rehman
why do vortex rings travel so far?
Why are vortex rings (toroidal vortex) so stable? How are they able to mantain their shape for so long
2 AnswersEngineering1 year agowhat would the equation of streamlines of a vortex ring be?
it would help if it was shown how it is derived as well as the velocity distribution
Physics1 year ago
Mechanics machines and frames?
Angle theta equals 15 degrees and P equals 120 N
My question is why cant we isolate member AC and take moments about A to find the force at C and then use it to find the pressure, why is the answer coming from this method in correct
Ma = 0
-P(280) +Fc(cos15) (80) =0
Why dkes this give an incorrect solution
3 AnswersMathematics2 years agoWhich is more acidic when dissolved in water BeCl2 or SiCl4?
2 AnswersChemistry4 years agoquestion regarding motion of a parachutist?
When a parachutist opens his parachute there is a decrease in speed (deceleration) since air resistance increases and resultant acts upwards. Why is it so that the pararchutist doesnt begin to move upwards? how does he reach terminal velocity? does the air resistance decrease? How? thankyou :)
2 AnswersPhysics5 years agoAnother question on math probability (details)?
A number of identical purses are such that two purses each contains 50 cents , 9 purses each contains 20 cents and 14 purses each contain 5 cents calculate the probability that three purses selected simultaneously will together contain exactly 60 cents. thankyou :)
1 AnswerMathematics6 years agoA question on probability please help (question in details)?
A bag contains 7 green and 5 blue marbles. 6 marbles are picked at random in succession without replacement.What is the probability that the colours appear alternately ? please do the working to thankyou :)
1 AnswerMathematics6 years agois constitutional amendment a policy ?
4 AnswersPolitics6 years agois constitutional amendment a policy ?
3 AnswersPolitics6 years agoHow do i give a good speech?
I am going to a MUN model united nation ( UNHRC ) for Germany any advice would be appreciated.
2 AnswersOther - Education7 years agoWhat has been done to protect the religious minorities in the past?
How can blasphemy laws be edited so the minorities don't suffer
How can culprits be bought to justice
4 AnswersReligion & Spirituality7 years agowhat is Germany's stand for the Palestinian cause?
I know that Germany is a strong supporter of Israel but i want to know why since i will be representing Germany in some MUN i also want to know Germany's policies towards religious minorities and enforcement of Human Rights
3 AnswersCurrent Events7 years agoBest hack and slash games for psp?
I already played the two GOWs and also prince of Persia and Dante s inferno please recommend other games like these.
3 AnswersVideo & Online Games7 years agoI need help solving this word problem relating to quadratic equations?
I don't understand what the words in the inverted comas mean, and please keep it as simple as possible i am pretty dumb
The perimeter of a square exceeds that of another by 100cm and "the area of the larger square exceeds three times the area of the smaller square by 325cm sq" .Find length of a side of each of the squares.
2 AnswersMathematics7 years agorecommend me psp games please (read description)?
I like games like Prince of Persia God of war Assassins creed recommend something like that
5 AnswersVideo & Online Games7 years agowhat is your high score in subway surfer?
1 AnswerVideo & Online Games7 years agoThe volume of water in cylinder is increased from 100 ml to 150 ml when an object is lowered into the cylinder?
Exam on Monday HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1 AnswerPhysics8 years agothe value of Gravity at height one third of the earths radius above the surface of earth is ?
Exam on Monday HELP !!!!!!!!!!!
Options
a) 3/4g b) 9/16g c) 1/3g d) 1/9g (g is for gravity)
2 AnswersPhysics8 years agoA speed of an athelete who completes two thirds of a circular track of radius 350 metres in 5 minutes is ?
Exam on Monday HELP !!!
Options
a)4.89m/s b)6.89m/s c)5.89 m/s d)7.89m/s
2 AnswersPhysics8 years agoCan i play Skyrim on PSP?
8 AnswersVideo & Online Games8 years ago