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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News Network
May 12,2020

New Delhi, May 12: Virat Kohli's natural talent makes him a cricketing equivalent of Roger Federer while Steve Smith's mental fortitude matches that of Rafael Nadal, said South African swashbuckler AB de Villiers comparing the two contemporary greats.

In an instagram chat with former Zimbabwe seamer Pommie Mbangwa, de Villiers spoke about the two batsmen, who are easily the game's biggest crowd-pullers right now.

"It's a difficult one, but Virat is definitely the more natural ball-striker, there's no doubt about that," de Villiers said during his interaction on 'Sports Hurricane'.

"In tennis terms, I'd say he's more like a (Roger) Federer whereas Smith is like a (Rafael) Nadal. Smith is mentally very strong and figures out a way of scoring runs - he doesn't look natural, but he ends up writing records and doing amazing things at the crease.

"I think mentally, Smith is one of the best I have ever seen. Virat has also scored runs all over the world and won games under pressure," de Villiers,himself a modern day great, said.

De Villiers also felt that when it comes to chasing, Kohli is a shade ahead of Tendulkar.

"Sachin is a role model for both of us (him and Kohli). The way he stood out in his era, the things he achieved and with the grace he did all that is a great example for everyone," de Villiers said.

"And I think Virat will also say that he set the standards for us to follow.

"But personally, in a chase, I'd say Virat is the best I've seen in my life. Sachin was amazing in all formats and all situations, but Virat comes out on top while chasing."

The world knows Kohli as a prolific cricketer but for de Villiers, he is a friend, who has interests beyond cricket and is spiritual at one level.

"He's much deeper than just a cricket player...I think most people realise after a while that there's more to life than just cricket," de Villiers said.

"...Virat's always been a thinker, he experiments (with) a lot of things, he loves trying new things out - gym wise, what he puts in his mouth. He thinks a lot about life after life - what's to come, the different religions, we talk about everything."

De Villiers said that he also shares a great bond with Indian captain's actor wife Anushka Sharma, conversing on a lot of issues including family life.

"We go pretty deep and his missus as well, Anushka, we have very deep conversations, which is fantastic. We talk about children and family. We're waiting for that first little Kohli to come.

"It's a good friendship and we always find a way to talk about cricket as well, but 90 per cent of the time we talk about other stuff. It's refreshing and in the middle of a very intense IPL tournament," he shared.

IPL, for de Villiers, is not just a tournament but also about friendships that he cherishes.

"Obviously, when it comes to the IPL in India, it's been more than friendship," De Villiers said, when asked who his best friends in cricket are.

"Virat obviously - not only during the IPL, we chat throughout the year, which means it's different than just the IPL or cricketing friendship.

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Agencies
March 26,2020

Karachi, Mar 26: Pakistan's centrally-contracted cricketers will contribute Rs 5 million to the national government's emergency fund to combat the COVID-19 pandemic.

Pakistan Cricket Board Chairman Ehsan Mani on Wednesday said apart from centrally-contracted players contributing Rs 5 million, the employees in the board, up to the senior manager level, will contribute their one day's salary.

Those employed as general managers or on higher posts will give two days' salary to the fund.

"The PCB will collect all these funds and deposit it to the government's coronavirus fund," he said.

Pakistan has recorded more than 1,000 positive cases of the deadly virus, which has claimed more than 19,000 lives all over the world.

"It is the history of the cricket board that we always stand by the government in difficult times," Mani said.

The PCB has already given its high performances centre in Karachi at the national stadium to be used by paramedical staff working at the special coronavirus hospital set up at the expo centre in the in the city.

Mani said though cricket has been disrupted by the virus outbreak but it was far more important for the nation to stand by the government and also take all precautionary steps during the pandemic.

Pakistan's centrally-contracted players are entitled to monthly salaries ranging from Rs 5 to 12 lakh besides match fee and other earnings.

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News Network
June 13,2020

Islamabad, Jun 13: Pakistan cricket team’s former captain Shahid Afridi, who has tested positive for coronavirus,  appears to have contracted the virus during his recent visit to Muzaffarabad city of Pakistan occupied Kashmir (PoK) where Pakistan has been sending its corona positive patients.

The former Pakistan cricketer was seen attending gatherings in Muzaffarabad last month without wearing a mask and not maintaining social distancing. He spewed venom against India during his rallies. 

Afridi visited PoK to also express his solidarity with the people there who have been left to fend for themselves in combating COVID-19 as Pakistan has refused to provide any COVID fighting equipment like PPE kits and ventilators to the area’s handful of hospitals. 

In fact, Pakistan has been using the PoK as a “dumping ground” for COVID-19 affected persons from all across the country as authorities want to keep Punjab province free of corona positive persons. 

The locals held massive protests against Pakistan for setting up quarantine centres and shifting patients from parts of Pakistan to PoK. 

People are immensely suffering in Pakistan occupied Kashmir due to spread of coronavirus as the region lacks proper medical facilities and has a handful of COVID-19 testing labs. There is also lack of expert medical staff to conduct COVID-19 tests. 

A large number of people here are presumed asymptomatic and they are fast spreading the virus because of lack of medical care. 

Pakistan has reported over 1,25,000 coronavirus cases and 2,463 casualties. In Pakistan occupied Kashmir, the COVID-19 cases have increased to 534, whereas in Gilgit-Baltistan 1,030 have been  reported. 

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