Teddio Member Profile in The AnswerBank

Car Oil Change

Hi All Want some advice please, I have a diesel 1.9 Passat 2002, and have it oil changed every 6 months/5000 miles. I am really worried as I have not managed to get it done this year and its been 7...

derrynoose

Bottle stains

I have a number of glass bottles "rescued" from an old landfill site and am trying to remove stains from the inside surfaces. The stains could be lime based as the site is in a limestone...

Mothmig

Electric rail and badgers

The rail that carries the electricity on the overground rail system is enough to kill you if you step on it I believe so why isn't the track littered with dead badgers and foxes and rabbits ? Or is it...

jovi4

petrol car starts like a diesel

i've got an 02 golf 1600se when starting it up it sounds like a diesel even though its petrol, its newly serviced and makes no diference. thanks

wopshistos

fuel emissions

I have a car that does 40mpg and the registration document says it produces 225 g/km CO2. If the weight of fuel over the kilometre is around 50g, I produce CO and unburnt lean fel where is the weight...

denis567

Clouds

It has been a lovely sunny day today with a blue sky peppered with 'cottonwool' clouds in various sizes. This got me thinking, I can appreciate that rain clouds, filled with moisture, must weigh...

fuggy

ballistics

when a shell is fired from a to b, at the hight of its trajectory does it stop before it decends?

SteveD

Rainbows

The other evening, following a rainstorm, the clouds moved away leaving a clear sky with the low sun shining brightly. The result was a spectacular, double rainbow. If similar conditions existed at...

missesbell

OCR Physics A level grade boundaries

Can anyone tell me the grade boundaries for this latest exam. Where is the grade c/d boundary??

chaperon2005

The speed of light

Light does not require massive amounts of energy to travel so why is it impossible to travel faster than light. Also the universe expanded faster than the spped of light at the begining how?

alun257

Engine noise on start up

Hi I have a Vauxhall corsa 1999 when it starts up it sounds rough for a few seconds then it sounds better, don't know if it's the oil pump or cam chain tenchanier . Someone said it could be the...

R1Geezer

Thought experiment time!

Faster than light communication? Imagine you had a hose pipe 1million miles long and it was completely full of marbles along it's length all touching each other now if I put another marble in one end...

Barquentine

Landers on Mars

Does anyone know if it's possible to see Viking, Phoenix or other landers on Mars from Earth telescopes or from Hubble? Or maybe orbiting craft currenlty there can spot them? Also - can the remains of...

Anthony Cole

Kawasaki GPZ 500s

When spinning the rear wheel on my girlfriends Kawasaki GPZ 500s (98) the is an amount of play between the wheel and the housing that holds the cush drive. The wheel moves a fraction before the...

arsenal200

making salt

complete the passage below when magnesium metal reacts with hydrichloric acid ............ salt and the gas .......................... are produce. less .......................... metals such as...

laurence44

Noise from a curved road

Consider a straight busy fast road. At a constant distance from it the noise level is constant. What happens if the road curves? Intuition suggests that on the inside of the bend a point will receive...

john1066

The Universe...

I read many years ago that you can travel so far into space until there is nothing there not even empty space. That has baffled me for many years.What are your thoughts on that ?

RobertBurden

Can't upload HD files from JVC camcorder

Recently bought an HD Everio JVC Camcorder and am totally unable to upload files onto computer. They appear in My Works/Everio but when I try to dragg them across to Cyberlink Power Director it...

amyskinner

geological past help please

which is the one statement that correctly provides a piece of evidence that the continents have drifted in the geological past. 1) The presence of humans on all the continents indicates that the...