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Over 50's club

1 lurker | 326 watchers

HappyG(rrr) Jun 2020 12:48pm, 10 Jun 2020 35,146 posts	Quote Pin HappyG(rrr) When did Fetch dye his hair blonde?!
HappyG(rrr) Jun 2020 12:48pm, 10 Jun 2020 35,147 posts	Quote Pin HappyG(rrr) TOTP!
Diogenes Jun 2020 12:51pm, 10 Jun 2020 49,665 posts	Quote Pin Diogenes I think it's just his golden aura
Nicholls595 Jun 2020 12:56pm, 10 Jun 2020 20,707 posts	Quote Pin Nicholls595 "It's pronounced Azaleas"
Badger Jun 2020 7:21pm, 10 Jun 2020 12,364 posts	Quote Pin Badger You’d have to hit the ball up so straight it came down again inside the rope, far enough to run [160 (exactly 2 miles, as it goes)] before it comes down again. I’m minded to think hitting it that hard would reduce bat and ball to splinters. The terminal velocity of a cricket ball is 123 km/h, apparently, which is catchable given that an international standard fast bowler is faster than that at delivery. I may be overthinking this but I’m amused to realise fast bowlers are actually delivering faster than terminal velocity. If I was really overthinking it I’d work out how fast it would have to come off the bat. I went and overthought it and did a little simple modelling. It's actually impossible, because air resistance slows the rising ball to terminal velocity spectacularly quickly. You can hit it up leaving the bat at escape velocity (which is calculated ignoring air resistance) and it'll still start falling again less than 6 seconds later.
Rosehip Jun 2020 7:31pm, 10 Jun 2020 16,549 posts	Quote Pin Rosehip BBC2 - Back in time for the weekend, 1970s
um Jun 2020 7:32pm, 10 Jun 2020 2,646 posts	Quote Pin um Not convinced (yet) Badger ... Escape velocity is roughly 11000 m/s Gravity roughly 10 m/s2 Is the air resistance really that big? 15 or 16 times g ? Or have I got it wrong?
Cerrertonia Jun 2020 7:46pm, 10 Jun 2020 12,720 posts	Quote Pin Cerrertonia I think Badger's maths is correct. I guess the fact that the drag force is significantly higher than the weight of the ball (for a fast bowler) and the associated turbulence accounts for a lot of the movement in the air etc. than makes cricket so interesting.
LazyDaisy Jun 2020 8:11pm, 10 Jun 2020 30,408 posts	Quote Pin LazyDaisy RH, when there was a previous series of Back in Time... (the family had two daughters and one boy, IIRC) they too said that the 70's were their favourite decade. It makes me feel a bit sad that things must have gone downhill for 'the family' over the last forty to fifty years, on that basis.
Rosehip Jun 2020 9:06pm, 10 Jun 2020 16,554 posts	Quote Pin Rosehip They loved the 70s this time too - we had good times as kids in the 70s. Hard for some, the strikes, 3 day weeks and power cuts, etc - but with rose-tinted hindsight...