Posts Tagged ‘Hollywood Math’

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10. You can out run a lava flow … USA UNITS

November 17, 2018

This is a rework of a previous post with full calcs.

Dantes_peak_ver2Every volcano disaster movie from Volcano (1997) with Tommy Lee Jones to Dante’s Peak (1997) with Pierce Brosnan someone somewhere tries to out run a lava flow. Is this possible?

The answer is maybe. You will find everything you want to know about lava flows here.Volcano_ver2

On January 10,1977, at Nyiragongo lava sprang from the sides of the volcano moving at speeds up to 40 miles per hour. About 70 people were killed.

 

lava temp Measuring the temperature of lava. Photograph by R.L. Christiansen, U.S. Geological Survey, January 9, 1973.

The fastest Lava flows recorded were in Hawaiiin 1950 when Mauna Loa erupted. The lava traveled at 6 miles per hour through thick forest. But once the lava flows became established and good channels developed, the lava in the channels was flowing at up to 60 mph.

Speed of average sprinter = 10 – 15 mph

Can you out run a lava flow?

 You would be scorched in 33 seconds!!!

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Ball Park Figures or Brad Pitt Does Maths

November 21, 2011


MONEYBALL is a film starring Brad Pitt and  Philip Seymour Hoffman and Jonah HIll on current release in Australia. It is based on the true story of Oakland A’s Baseball team manager, Billy Beane (Pitt), who along with Ivy League Economics graduate and Uber Maths Nerd Peter Brand (Hill) used player stats to save the Oakland A’s baseball team in 2002. 

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Not only does Billy Beane have to deal with enormous budget restraints ( Oakland A’s budget was $4o million compared with the Yankee’s $125 million), he showed that the statistics were more effective than experience ie. the  stats BEAT the club selector’s know-how.

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Mathspig, who played softball in Australia – bigger ball, similar rules – saw the film and lerved the maths. Basically, Billy Beane bought up players with one particular skill – holding first base, stealing bases and the like – thus boosting the overall stats for the team. But Mathspig found some of the calculations weird.

This equation is called the Pythagorean Expectation. The wha? Mathspig is sooooo confused.

WHAT’S GOING ON?

Mathpig went searching for an expert opinion and found it at MATHS GOES POP, an awesome blog linking maths with pop culture and written by a mathematics PhD student at UCLA.

Mathspig won’t give a spoiler for the film, but found the maths is BASEBALL MATHS. It’s a formula used for baseball only and named after Pythagoras because it sorta looks – chew gum here and try a Brad Pitt drawl- like the Theorem of that Greek Math Guy. You do not need to use this EQUATION unless, perhaps, you are going to coach the New York Yankees.

Even IF YOU DO COACH THE NEW YORK YANKEES this equation, doesn’t give you that much information.  We will fix ‘runs allowed’. OK. If ‘runs scored’ is high Win is high; it ‘runs scored’ is low Win is low. Um, this means SCORING RUNS is GOOD. Yeah! We knew that without the maths.

If you are interested in the maths, have a look at MONEYBALL MATH on the Math Goes Pop blog otherwise just keep eating your popcorn and enjoy the film.


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8. You can survive any amount of beating in a fight.

November 16, 2009

Die_Hard_With_A_VenganceLethal_Weapon_4_PosterEvery action hero gets into a fistfight. James Bond, Jason Bourne, Indiana Jones. Then there are all the stars known for their fight scenes. Sylvester Stallone ( Rocky),  Arnold Schwarzenegger (True Lies), Jackie Chan (Any movie), Bruce Willis (Die Hard 1,2, 3 etc), Mel Gibson (Lethal Weapon I, II, III etc), Jean Claude Van Damm (Blood Sport, Street Fighter), Brad Pitt (Fight Club) and so on.

Fight ClubBut can the human body take this punishment?

 

We can work it out. Measurements taken at The University of Manchester have shown that local boxing hero Ricky ‘The Hitman’ Hatton really does live up to his name. (DailyScience)

ricky 'the hitman" hatton

Ricky ‘The Hitman’ Hatton can pack a punch!!!!!

 
punch-1-mathspig

punch-2-mathspig

Similar results were found at Uni Manchester BBC (Force of boxer’s punch measured)


punch-3-Mathspig

So one punch is equal to being hit by a car …… if only for a split second!!!!!!!!!!! Nevertheless you can be killed by this one punch.

You’ll find some great punching physics here

 

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10 You can out run a lava flow

November 16, 2009

Dantes_peak_ver2Every volcano disaster movie from Volcano (1997) with Tommy Lee Jones to Dante’s Peak (1997) with Pierce Brosnan someone somewhere tries to out run a lava flow. Is this possible?

The answer is maybe. You will find everything you want to know about lava flows @ http://volcano.oregonstate.edu/Volcano_ver2

On January 10,1977, at Nyiragongo lava sprang from the sides of the volcano moving at speeds up to 40 miles per hour (60 km/hr). About 70 people were killed.

lava temp Measuring the temperature of lava. Photograph by R.L. Christiansen, U.S. Geological Survey, January 9, 1973.
The fastest Lava flows recorded were in Hawaiiin 1950 when Mauna Loa erupted. The lava traveled at 6 miles (10 kilometers) per hour through thick forest. But once the lava flows became established and good channels developed, the lava in the channels was flowing at up to 60 km/hour (97 kph).

Speed of average sprinter = 19 – 24 kph

Can you out run lava?

Work it out mathspigs. You are 600m ahead of the lava flow and you need to get up a hill to escape, which is 1000m away. The lava is flowing at 30 kph and you are running at 18 kph.

running man

Will you make it??????


lava 2