In world record, Bolt triumphed over air

July 26, 2013

Bolt_triumphedParis, Jul 26: Scientists today said Usain Bolt performed a feat of biomechanics when he ran 100m in a record 9.58sec at the 2009 World Championships in Berlin.

Crossing the line in a time that is still a world record meant Bolt had to muster "truly extraordinary" power and energy to overcome exceptional drag, they said.

Taking into account the altitude of the Berlin track, the temperature at the time of the race and the resistance caused by Bolt's 1.95m (six feet five inch), 94-kilo (207-pound) frame, the researchers calculated he had a drag coefficient of 1.2, which is less aerodynamic than the average human.

Bolt hit peak power after only 0.89 seconds, expending 81.58 kilojoules of energy by the time he finished the race.

But 92.21 percent of this energy was used to overcome air resistance, according to a paper appearing in the European Journal of Physics. Only 7.79 percent was used to achieve motion. After 41 strides, he crossed the line at 43.92 kilometres (27.29 miles) per hour.

"The enormous amount of work that Bolt developed in 2009, and the amount that was absorbed by drag, is truly extraordinary," said scientist Jorge Hernandez from the National Autonomous University of Mexcio.

"It is so hard to break records nowadays, even by hundredths of a second, as the runners must act very powerfully against a tremendous force which increases massively with each bit of additional speed they are able to develop.

"This is all because of the 'physical barrier' imposed by the conditions on Earth. Of course, if Bolt were to run on a planet with a much less dense atmosphere, he could achieve records of fantastic proportions."

The team compared Bolt's time in Berlin with his previous world-record time, of 9.69sec, set during the 2008 Beijing Olympics. In Berlin, he benefited from a tiny tailwind of 3.23 kph (2 mph), the researchers found.

Without this boost, he would have come in at 9.68sec, thus beating the previous mark by 0.01sec. The analysis was made from data provided by the International Association of Athletics Federations (IAAF), whose laser tracker recorded Bolt's position and speed every 0.1 of a second in Berlin.

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Agencies
July 20,2020

Vitoria, Jul 20: Lionel Messi won a record seventh top scoring title in the Spanish league after netting twice in Barcelona's 5-0 rout of Alav s in the final round.

Messi ended with 25 goals, four more than Karim Benzema, who did not score in Real Madrid's 2-2 draw at Legan s.

Messi is the first player to finish as the league's top scorer in seven different seasons. He reached the milestone despite missing games because of an injury early in the season. The Argentine's 25 goals came in 33 matches.

Messi was tied with Telmo Zarra with six scoring titles. He has also now equaled Hugo Sanchez's feat of four straight top-scorer trophies.

"Individual achievements are always secondary," Messi said on Sunday.

"I wished it could have come along with the league title."

This is also the third successive season that Messi finished with the most assists 21 in the league.

Ansu Fati, Luis Su rez and Nelson Semedo also scored Sunday for Barcelona, which had already secured second place behind Madrid.

Fati opened the scoring in the 24th minute, Messi added to the lead 10 minutes later and Su rez closed the first-half scoring in the 44th. Semedo got on the board in the 57th and Messi in the 75th to help Barcelona rebound from a 2-1 home loss to Osasuna.

"Today things were different," Messi said.

"The team showed better attitude and commitment. It was an important step forward for us ahead of what's left in the season."

Barcelona now turns its focus to its Aug. 8 home game against Napoli in the round of 16 of the Champions League. The first leg, played before the break, ended 1-1.

Barcelona coach Quique Seti n finished under pressure after the team relinquished a two-point lead over Madrid when the league resumed following the pandemic break. It was four points back before Madrid's match at Legan s.

Barcelona defender Cl ment Lenglet had to be substituted early in the second half because of an apparent muscle injury.

Alav s, sitting in 15th, had already done enough to stay up.

BAR A "B" TEAM

American winger Konrad de la Fuente scored twice as Barcelona's "B" team beat Valladolid B to keep alive its hopes of reaching the second division next season. The victory put Barcelona in the second round of the promotion playoffs.

The 19-year-old De la Fuente, who recently had his contract with Barcelona extended through the 2021-22 season, scored in each half.

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Agencies
May 26,2020

Some of the ICC guidelines on resumption of cricket border on the impractical and will need a review when the cricketing world is closer to action, feel former players Aakash Chopra, Irfan Pathan and Monty Panesar.

Last week, the International Cricket Council recommended a host of "back to cricket" guidelines including 14-day pre-match isolation training camps to ensure the teams are free from COVID-19.

The world body issued training as well as playing guidelines which will drastically change the way the game is played.

Among them are regular hand sanitising when in contact with the ball, no loo or shower breaks while training, minimising time spent in the changing room before and after a game, no use of saliva on ball and no handing over of personal items (cap, sunglasses, towels) to fellow teammates or the on-field umpires.

"Social distancing is very doable in individual sport but very tough in a team sport like cricket and football. If you need a slip during the game, would you not employ it?

"If the team is going through a 14-day quarantine and is being tested for COVID-19, I am fine with that process. Now, after that, if we have more guidelines for the players during the game, then you are making things complicated. Then there is no point of a quarantine period," former India pacer Pathan told PTI.

Safety cannot be compromised but regularly sanitising hands during the game will be too much to ask from the players.

"Safety is paramount but we should not make the game complicated. If a bowler or fielder has to sanitise hands every time he touches the ball, then it would be very difficult.

"You can shorten the process of giving the ball to the bowler. Instead of the usual chain (wicket-keeper to cover fielder to bowler), the keeper can straight away give the ball to the bowler but even then the bowler will have to sanitise hands six times in an over," said Pathan seeking more clarity on the guidelines.

Former India opener Chopra said it is still pre-mature to prepare a fixed set of guidelines for resumption of cricket as the situation is evolving "every day".

"That (regular hand sanitisation after contact with ball) is obviously impractical but my big question is when the game happens in a bio secure environment and everyone is quarantined and tested, do these additional measures make a difference?

"On the field, I can still understand but what happens when you go back into the dressing room? How do you practice social distancing there? So it becomes quite complicated.

"To be honest it is all very premature. Once they get closer to resumption, which will take some time, there will be more clarity," said Chopra.

International cricket is likely to resume in July with England hosting West Indies and then Pakistan.

Bundesliga football league has already begun in Germany behind closed doors and by the time cricket resumes, more sporting competitions would have restarted and Chopra feels that will help cricket decide the way forward in post COVID-19 times.

"By the time cricket resumes, more football would have started after Bundesliga. Cricket can take lessons from there, collect data and ideas and see what is practical and what is not."

Former England spinner Panesar foresees the start of the England-West Indies series making things a lot clearer for the entire fraternity than they are at the moment.

"The 14 day quarantine is very much needed and well done to the ICC for including that. I think we will see resumption of international cricket with England hosting West Indies in July. We might have some practical ideas then, the other countries would also be watching keenly and will learn how to go about it.

"But measures like regular hand sanitising is not going to be practical. May be you could sanitise every one hour but it can't be regular during the game," said Panesar.

While Pathan feels the on-field safety measures will make managing over-rate a bigger challenge for teams, Chopra said no loo or shower breaks during training won't be that much of an issue.

"Training is still controllable. You don't have to be there for a long time but you would still have to use the restroom at some stage. You may avoid taking a shower but you will have to use the restroom.

"I think the idea of these guidelines is to make cricketers more aware that you have to take care of yourself and inculcate habits which are in everyone's interest in the current scenario," added Chopra.

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News Network
January 2,2020

New Delhi, Jan 2: On the first day of the New Year 2020, Hardik Pandya announced his engagement with Serbian actor Natasa Stankovic.

The cricketer took to Instagram to share a photo with the actor and captioned the post: "Mai tera, Tu meri jaane, saara Hindustan. 01.01.2020 #engaged".

The 26-year-old shared three pictures and a short clip on the social media platform. In one photo, Stankovic can be seen flaunting her ring.

The couple got engaged in Dubai and were seen taking a ferry ride along with close friends.

On work front, Stankovic was last seen in a song from Bollywood movie The Body starring Emraan Hashmi and Rishi Kapoor. She had also made it to the finals of the TV show Nach Baliye with her ex-boyfriend Aly Goni.

Stankovic first became a household name after appearing as a contestant on famous reality show 'Bigg Boss 8'.

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