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lets look at a skydiver who jumps out of a plane that has a forward velocity of 40 m/s. that means that the skydiver has a forward velocity of 40 m/s.
what is the skydivers acceleration
The pressure (P) at the bottom of a lake is given by the formula P = p x g x h Calculate the depth of the lake when, h, when P = 3.9 x 10small5 N/m? p= 999kg/m? g = 9.81 m/s?
We are now all used to dire warnings about the effects of global warming. Undoubtedly man's efforts have contributed but there is ample evidence that sea levels have been much higher in the past. We...
I know it's been discussed on here already but is there anyone with any scientific knowledge who can tell me what the real possibilities of creating a mini black hole or even a strangelet? I know that...
A formula used to determine the speed, v, of an object is: v = u + a x t determine the time taken, t, for the speedt of the object to reach 10m/s when u = 3.0m/s & a = 0.4 m/s? and if poss explain...
I need to find out all 28 number combinations for 6 numbers for the numbers 1 to 8. ie: 1 2 3 4 5 6 1 2 3 4 5 7 1 2 3 4 5 8 1 2 3 4 6 7 etc etc I get to a certain point then by head explodes. Please...
I keep being sent e-mails with a 'wmv' attachment and can not open. Is wmv and alternative to jpg, and what do I need to do to be able to open a wmv file??
Ive been sent a Brightminds catelogue (science stuff for kids) and noticed that there are loads of products now available that work off 'green' energy sources - clocks that work off veg or mud,...
I've just come back from mars Can some one please bring me up to speed as to the purpose of the LHC . I understand experiments are going to be carried out - what are these experiments - how long will...