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Laws Of Motion

One of our best posts it includes questions from Laws of Motions

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Saturday 8 October 2011

Two Days Ago it Was a Fairy Tale....Now its a Dream for RCB

RCB reach the final

Well, one says, magic is not possible, some say, luck may shine on you once, cricketers say you chase down a 200 target in 20 overs and hit a last ball six once in an era, but all these speculations were cornered by another spirited run chase by Bangalore. Well two days ago they won a thriller, yesterday they won an action flick, first powered by Warner Tsunami and then by Gayle Storm and Kohli Strong Winds. 

Well both Kohli and Gayle played their hearts out
Well, RCB, are on a roll as they stormed their way into the grand finale of CLT20 2011, first time for the domestic chokers. I call RCB chokers because in previous editions of IPL as well as Clt20 they reach the semis or finals but they lose, disappointing their fans.

But this time the story seems to be different for the team owned by business tycoon Mallya. Well the team headed by Vettori has played some spirited cricket and won the lost matches. Well yesterday to 'Mr Dependable' Kohli produced a gem supported by a rather imperial and dominating innings by the man '333'
whom we also call the Gayle Force. 

WARNER Hits another 123*
David Warner is questioning the selectors again and again for his exclusion from the Kangaroos team. Being the first player to score two back to back centuries in T20 cricket and also becoming the highest run getter in a single edition of Champions League Warner has proved his mettle. Look at his stupendous average of 189 with a strike rate nearly touching 200. Warner Tsunami is becoming more and more sever as he dosen't get out only. Well is he the next Gilly (Gilchrist) ?

But still RCB have won another dream game, though in this game they won comfortably despite losing Dilshan early. Virat Kohli is again pushing the doors for his inclusion in the test team, as he is playing some really superb innings. Main thing I like about his batting is that he likes to finish the game once he has got a start. He has matured over the years just like Warner who earlier just played cricket based on instinct.

Well West Indies Board doesn't want Gayle and Pollard, Can BCCI adopt them? Just imagine Gayle and Sehwag opening....well bowlers would say we give up...

And also thank God, Warner and Gayle don't play for the same team in Big Bash....otherwise the bowl would be more outside the stadium rather than inside...
These were my views, please comment below so I can hear your views...you can jsut select Name/URL and if you don't wanna give URL its your wish, but please give your name...
Is Warner the next Gilchrist?
Should Kohli play the tests?
What will be your dream opening pair for a team?  
Who should play the final of CLT20 2011 with Mumbai?
Please keep commenting on following questions...

Friday 7 October 2011

Newton's Laws of Motions


Newton gave three laws governing the motion of the bodies:-
1.       First Law: A body continues to be in its state of rest or uniform motion along a straight line, unless it is acted upon by some external force to change the state.
2.       Second Law: The rate of change of linear momentum of a body is directly proportional to the external force applied on the body, and this change takes place in the direction of the force applied.
3.       Third Law: To every action, there is always an equal and opposite reaction.
NEWTON’S FIRST LAW OF MOTION OR LAW OF INERTIA:
  • If the net external force on the body is zero, its acceleration is zero. Acceleration can be non-zero only if there is a net external force on the body.

Inertia: Inability of a body to change its state of rest or state of uniform m otion along a staright line is called inertia of the body.
NEWTON’S SECOND LAW OF MOTION AND LINEAR MOMENTUM:
  • Linear Momentum: The product of mass and velocity for moving body is known as momentum. It is a vector quantity whose direction is same as that of velocity and is denoted by P.

Momentum=mass × velocity (Kg m/s)
 P = mv
 The rate of change of linear momentum of a body is directly proportional to the external force applied on the body, and this change takes place in the direction of the force applied.
Since mass is constant, (). We can therefore write the following:
  • F= MA

NEWTON’S THIRD LAW OF MOTION:
Force never occurs singly in nature. Forces always occur in pairs as a result of mutual interation betwwen two bodies.
  1.     A single isolated force is an impossibility
  2.   The two forces involved in any interaction between the two bodies are often called as action and reaction pairs.

·         
ACTION REACTION PAIR

This post just contains an introduction to laws of motion, for
Their application parts visit this post:
For questios refer this link:

Wednesday 5 October 2011

Warner Tsunami, Cyclone and Earthquake hit Chennai


Warner Tsunami, Cyclone and Earthquake hit Chennai
Warner smashing the ball

Well, we are all familiar with the Gayle Storm, Mccullum Bomb, Sehwag Hurricane, Dhoni Dhamaka and Pathan Thunder.
Chris Gayle hitting a six

 But one innings that comprised of all these “Natural Disaters” was produced yesterday night by none other than the Australian chucky opener David Warner. It was one of the best innings of T20 I have seen leave apart Mccullum’s 158*.
Mccullum plays one handed scoop

 But what Warner had produced yeaterday was a one man show ripping Chennai apart right from the word. On a track where scoring 100 was also difficult the Blues scored 200:- courtesy Warner. He never let the bowler’s to settle down. He used the switch hit to good effect and scored almost 30 runs from that particluar stroke. Rest 104 runs involved power packed hitting down the ground as well as some well timed strokes through the covers or straight down the ground. He had hit Bravo for 108 m six, highest in the Clt20 so far. But what Warner has done is that he has reshaped the batting in 20-20 cricket. He played himself in and then in the last 10 overs took some ordinary bowling by the Super Kings to a task. The main part of his innings I liked was that he played for 20 overs and there was not even one mis hit. He was striking the ball wherever he wanted to.
Pietersen invented the switch hit

 I think now Kevin Pietersen, the inventor of the switch hit stroke will have to take training from David to how to hit the stroke in the gap and over the ropes no matter what surface are you playing or which bowler are you facing. Well one can say it was just Warner Special Day as he even took two catches and helped in an important run out. I feel if he had come to bowl a couple of overs, even then he would have taken a wicket or a two. Warner’s 134 of 67 balls was only the second ton in clt20 history. Warner has come a long way since the last two years. Earlier the young lad used to just hit the ball on instinct but yesterday’s inning showed how mature he has become. I believe he should open with Watson for the Australians in ODI and 20-20. His national call is not far now, seeing his yesterday’s innings. He is a jubilant fielder and one of the best in Blues sides, thus it is an extra feature of him which makes him more special. Well Warner if you can bat on a low and slow pitch and time the ball as you were doing yesterday you are getting into the leagues of Sehwag and Gayle, on who the track and the bowler has no effect. They just know when definition, i.e. hit the ball as it comes, no matter come what may.
Dear readers I would like to ask,
Whether it was a special knock by David Warner or was it just a poor performance by Chennai Bowlers and anyone could have hit them on the day?
Please I would welcome your comments below:

Tuesday 4 October 2011

Main Tenu Samjhawan Ki...Song Virsa

Main Tenu Samjhawan Ki

Lyrics: nahi jeena tere baju
nahi jeena tere baju

main tenu samjhawan ki
main tenu samjhawan ki
na tere baju lagda jee
tu ki jaanay pyar mera
main karaan intezar tera !
tu dil tuhi oo jan meri

main tenu samjhawan ki
na tere baju lagda jee
hayaiii
tu ki jaanay pyar mera
main karaan intezar tera !
tu dil tuhi oo jan meri

main tenu samjhawan ki
na tere baju lagda jee

mere dil wich reh k mere dil da hal na janay
tere baju kalyaa bay k ronday nain numanay
jena mera...hayaiiii
marna mera naal teray c
tu kar aitbar mera
main karan intezar tera
tu dil tuhi oo jan meri

main tenu samjhawan ki
na tere baju lagda jee

sunjiyaan sunjiyaan dil di galiyaan
sunjiyaan meriyaan baawan
aaja teriyaan khushbuaan noo
labdiyaa meriyaan saanvaa
tere binaa..hayaiiii...kivaay karaan door udaasi
dil beqaraar mera
main karan intezar tera
tu dil tuhi oo jan meri

main tenu samjhawan ki
na tere baju lagda jee
main tenu samjhawan ki
main karan intezar tera
tu dil tuhi oo jan meri
main tenu samjhawan ki
na tere baju lagda jee....


Video: 

Download Mp3:

Picked for Oscars but no money to promote


TALK about Indian films, and the first thing that comes to mind is Bollywood. Money, fame, glamour, it’s got everything to offer. But beyond the razzle and dazzle of the spotlight there’s another industry which is fighting a lonely battle for survival. These are the small scale, low- budget regional films, often made by independent filmmakers.
Money might breed money but it can’t always guarantee success. Thus, despite a lack of financial muscle, there are times when regional films triumph over Hindi movies.
Director Salim Ahmed has produced the Movie
Malayalam movie Adaminte Makan Abu is one such example. Produced and directed by Salim Ahmed, the film won four national awards — best film, actor, photography and background music — and has been chosen as India’s official entry to the Oscars in the foreign language category.
But the Oscar selection is proving to be a bigger headache for the debutant director than that he had faced making the film, which cost him nearly ` 1 crore. Ahmed, a small time videographer at a remote village in Kannur district of Kerala, is now finding it difficult to arrange funds for promoting his film in the US for the Oscar jury. He needs at least ` 2 crore and is running from pillar to post but with little to show for his efforts.
His effort to raise funds somewhat mirrors that of the central character in his film in which an old man, who sells attar ( perfume), dreams of making enough money to go on a pilgrimage to Mecca. Despite all his efforts, he fails to save the money needed for the trip.
“ Before the Oscar nomination, we will have to conduct a lot of promotional events such as screening the film in the US to mobilise support. A minimum of six screenings have to be arranged for the jury members,” Ahmed said.
“ I cannot borrow money because even if the film gets a nomination, it does not bring home any cash.” The print has already landed in the US and Ahmed is expected to be there by the middle of this month. Ahmed had turned to all sections for help, but faced rejection from every quarter. The Film Fed- eration of India has also appealed to the Union information and broadcasting minister Ambika Soni for financial help, but she is yet to respond.
Back home, the Malayalam film industry, controlled by superstars Mammootty and Mohanlal, has even refused to acknowledge the film’s selection for the Oscars, while the state cultural affairs ministry too is reluctant to help.
The team behind the award winning film is now pinning it hopes on the efforts of Salim Kumar, who played the lead role. He has turned to Bollywood star Aamir Khan for help.
“ I hope I can convince him about the problems low- budget filmmakers face in promoting movies,” Kumar said.

A Pill A Day Will Keep The Gray Away


The likes of George Clooney, Phillip Schofield and Helen Mirren make going grey look distinguished, if not downright glamorous.
George Clooney can hide those white hairs of his
But whether it’s a sprinkling of salt- and- pepper in your 30s, or a full head of platinum in your 40s or 50s, most of us are not quite ready to embrace the ‘ silver fox’ look too early in life.
Penelope Cruz
Now scientists suggest that holding back the process could soon be as easy as popping a vitamin pill. They are working on a medication which, when taken daily, could let you hold on to your own naturally coloured locks as long as possible.
The breakthrough comes after more than a decade of research at the laboratories of cosmetics firm L’Oreal. The global market for hair colouring is worth an estimated £ 8billion and the company — the world’s largest in cosmetics and hair care — hopes to become the first to come up with the lucrative anti- grey formula. Based on a secret fruit extract, the pill would be inexpensive and designed to be used in the same way as a daily dietary supplement.
Bruno Bernard, head of hair biology at L’Oreal, said: “ Ideally you would take it for your whole life, but realistically we’d encourage people to start using it before their hair goes grey because we don’t think it can reverse the process once it has started.
“ We have a watertight proof of concept, and we think it will have a market among men as well as women.” If the formula, which is being developed in secret, is proven to be effective, it could earn the company billions.
Between 2008 and last year, there was a 50 per cent increase in the number of men visiting hair salons to dye their hair, a study commissioned by L’Oreal revealed. In Britain, sales of home hair colouring kits have risen by a third in the past three years.
According to market research firm Mintel, more than two- thirds of women colour their hair.
Grey hairs usually begin to appear after the age of 30, when human hair cells begin to succumb to a process called oxidative stress, which makes them more susceptible to toxins. The pill would work by offering protection against this process.
Hair pigment cells die with age due to the lack of a protective enzyme called tyrosinase- related protein 2 ( TRP- 2), the researchers explained. Rather than creating a synthetic drug to mimic TRP- 2, the scientists instead screened thousands of naturally occurring compounds, and eventually found one in a fruit — which they have not named.
Safety trials are under way, but the product’s mechanism will not be unveiled until the next international investigative dermatology meeting in 18 months.
Since going grey can take decades, it could be many years before it is clear how effective the product is. Des Tobin, professor of cell biology at the University of Bradford’s Centre for Skin Science, said: “ With people living longer and working longer, they are in the grey zone for longer”.

Monday 3 October 2011

Indian Team's Selection for Home Series Against England...

The Team goes as follows:

  • MS Dhoni (captain)
  • Manoj Tiwary
  • Ajinkya Rahane
  • Gautam Gambhir
  • Parthiv Patel
  • Suresh Raina
  • Virat Kohli
  • Ravindra Jadeja
  • R Ashwin
  • Rahul Sharma
  • Varun Aaron
  • Umesh Yadav
  • Praveen Kumar
ASHWIN HAS BEEN INCLUDED IN THE SQUAD
Well I truly am very impressed by the selectors for selecting such a great team, giving youngsters a chance to prove their worth. Bhajji's exclusion was not a surprise, seeing his recent poor performances. There are more than three players who haven't played a single one dayer. Here inclusion of Ashwin is a boost for the youngster as he didn't get many chances to prove how stupendous player he is.  

Rahane is going through a good phase and he has got runs under his belt both in domestic and international arena. I think Varun Aaron should have been given a chance in England but its good to be late than never, so play him right from the start.
Rahane gets one more chance
Rahul Shrama, came as surprise and according to me, Ojha should have been given a go. 
Nehra has been neglected for first two odi's
The Board has done a foolish thing by not including Nehra in the squad. He is India's premier bowler after Zaheer and he should have been given a chance. Also he declared himself fit and his performances throughout the WC had been good. Another player which I believe should have been played was Iqbal Abdulla. The young lad has been impressive with his bowling.
Abdulla plays for KKR

In all its a good team with many youngsters, but still it could have been much better.

Dynamics Of a Particle


  1. N bullets each of mass m are fired with a velocity v m/s at the rate of n bullets/s, upon a wall. If the bullets are completely stopped by the wall, the reaction offered by the wall to the bullets is:
  2. Minimum force required to pull the lower block is (take g = 10 m/s2):
  3. A block of mass M is pulled along a horizontal smooth surface by a rope of mass m. force P is applied at one end of the rope. The force which the rope exert on the block is:
  4. The acceleration of block of mass 5 kg is:
  5. The blocks of masses m and M are not attached. The coefficient of static friction between the blocks is , but the surface beneath M is smooth. What is the maximum magnitude of the horizontal force F required to hold it against M:
  6. See the arrangement shown in figure. If the acceleration of block B is a, then the acceleration of block A in magnitude will be:
  7. A particle of mass m, initially at rest, is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle. Then;\
  8. Three blocks of masses 5 kg, 3 kg and 2 kg are placed on rough surface  as shown in figure. A horizontal force of 20 N is applied on 5 kg block. The force exerted by 3 kg block on 2 kg block is:
  9. A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero. In the first 2s, it rotates through an angle . In the next 2s, it rotates through an additional angle . The ratio of  is:
  10. A rotating system as shown in figure has a mass of 0.2 kg hanging from a cord of length 0.2 m. The length of the horizontal arm of the rotating apparatus is 0.1 m. For the cord to make an angle  with the vertical, the number of revolutions per second that the system should make will be:
  11. A Painter is raising himself and the crate on which he stands with an acceleration of 5 m/s2 by a massless rope-and-pulley arrangement. Mass of painter is 100 kg and that of the crate is 50 kg. If g = 10 m/s2, then:
  12. A rectangular prism (W) weighing 150 N, is lying on an inclined plane whose inclination with the horizontal is shown in figure. The block is tied up by a horizontal string, which has a tension of 50 N.
    The coefficient of friction between the surfaces of contact is:



Sunday 2 October 2011

Champions League T20.....A Platform for Young Cricketers

I truly have been impressed with the performances of some of the teams in 2011 CLT20. Especially some of the players have played outstanding cricket this season. Unlike last year teams from England and other nations have shown character and played well. The way Trinidad team has played just shows how young cricketers in absence of star players like Pollard and elder Bravo can rise to occasion and put up a good show. Though the results have not favored the West Indian giants but they truly have given hiccups to many teams. Another team which impressed all of us is Somerset. One would have thought this team would miss stupendous players like Trescothick, Kieswetter and many a more. But under rated South African Van Der Merwe
van  Merwe
has played superbly. His performances with both bat and ball have caught many eyes. Few days back injury hit Mumbai team played in Sarul Kanwar, the Punjabi lad was hitting the bowlers through the line as if they don't have any respect. Many young batsman like Smuts (Warriors), S. Ganga (T& T), Levi (Cobras), Ferguson (Redbacks) have changed the course of the match. One such example is Moises Henriques
, who with his all round abilities when New South Wales a lost match.
Moises Henriques
This was about batsman, but the young bowlers are not behind. Samuel Badree, Rusty Theron, S. Aravind, Merwe, Rampaul, I. Abdulla have been on prime form and have given best batsman trouble.
Speaking of the young blood, the legends have also net stepped back. Kallis bats and bowls as if he is a 20 year old boy smacking the bowl around when batting and destroying timber when bowling. He has proved that 20-20 is not just about hitting big sixes, its about playing sensibly and when the opportunity arrives take the bowler for a beating. Ashwell Prince is one such case. He paces his innings so well. Malinga as we know is still best at bowling unplayable deliveries. Dwayne Bravo also had put up an all round show against the Cobras the other day.
Kallis hitting a ball long way

As far now this is the best Champions League we ever had with stiff competition and every team performing well.
Though it is difficult to predict who will make the top 4 but according team any of the following teams will make it to the semis:
 
  • Kolkata
  • Mumbai
  • Chennai
  • Somerset
  • Warriors
  • New South Wales
Look out for the interesting matches to follow in the competition, till then its good bye from me.