Physics - November 2006

2006-11-05 04:30:43 · 3 answers · asked by Anonymous

2006-11-05 04:25:08 · 5 answers · asked by deejay 1

If I went back in time and killed my younger self, what would happen. I would no longer exist in the future and therefore would be unable to go back in time to kill myself. But if I dont go back in time to kill my other self then I will continue to exist, and therefore able to go back in time to kill my younger self. Anyone else a bit confused?

2006-11-05 04:21:16 · 10 answers · asked by Wojciech S 2

2006-11-05 03:56:18 · 1 answers · asked by z_abouzahr 1

Block B is initially at rest on block A, which is at rest on a smooth frictionless floor. There is friction between block A and block B. The coefficient of static friction between the blocks is 0.300 and the coefficient of kinetic friction between the blocks is 0.250. mA = 5.00 kg and mB = 3.00 kg. A horizontal force of F = 14.0 N is applied to block A. What is the magnitude of the frictional force on block B?
-if you could show what steps you used to get the answer, that would be great :)

2006-11-05 03:54:20 · 2 answers · asked by catherine p 1

Can an ellipse be two dimensional or 3 d, or both

2006-11-05 03:52:00 · 2 answers · asked by YahooAnswers 2

2006-11-05 03:46:58 · 18 answers · asked by owenb1983 1

2006-11-05 03:42:16 · 7 answers · asked by Tyler L 1

2006-11-05 03:11:31 · 2 answers · asked by Steve 2

what is the radiation pressure 1 metre away from a 500 watt light bulb???

2006-11-05 03:07:31 · 1 answers · asked by Atul 1

2006-11-05 02:55:15 · 5 answers · asked by shesonit 1

2006-11-05 02:52:47 · 2 answers · asked by goring 6

2006-11-05 02:44:11 · 9 answers · asked by Anonymous

Does Law of Conservation of energy applies?

2006-11-05 01:59:17 · 2 answers · asked by goring 6

2006-11-05 01:50:32 · 1 answers · asked by vlaxmibala 1

2006-11-05 01:45:44 · 3 answers · asked by Sandhya S 1

2006-11-05 00:45:24 · 4 answers · asked by goring 6

2006-11-05 00:34:53 · 3 answers · asked by goring 6

Acording which formula the amount of this orbitals' energy is calculated?

2006-11-04 23:39:46 · 2 answers · asked by amirpouryousef 1

2006-11-04 23:21:56 · 2 answers · asked by ssshhh 3

2006-11-04 23:08:41 · 5 answers · asked by siddu 1

Please be simple, I don't understand physics much, but I'd like to understand dimensions.. and how we know they're real, and how paper is two dimensional but living in a three dimensional world.

2006-11-04 22:51:05 · 5 answers · asked by retro 3

2006-11-04 21:36:14 · 13 answers · asked by rama rama 1

2006-11-04 21:34:46 · 7 answers · asked by rama rama 1

if possible use the following data to help you.

material aluminum

resistance/ohm 3

force needed to break wire/n 150

density/kg per m3 2700

cost of wire/$ 4

material copper

resistance/ohm 2

force needed to break wire/n 300

density/kg per m3 8900

cost of wire/$ 14

material steel

resistance/ohm 30

force needed to break wire/n 1500

density/kg per m3 7700

cost of wire/$ 1

2006-11-04 20:48:16 · 1 answers · asked by ██████████ 3

so I was looking through this physics book to brush up my knowledge and I came across this:

A student compares four different wires to see which is best conductor of electricity. He passes a current of 0.8A through each wire and measures the voltage needed.

His results are as follows
alluminium 2.4
copper 1.6
slver 1.4
steel 24.0

Which is the best conductor and why? Explain

Also how to calculate the resistance of the silver wire?
Show the working and state the formula that you use please.

2006-11-04 20:36:02 · 7 answers · asked by ██████████ 3

2006-11-04 20:13:38 · 13 answers · asked by Anonymous

2006-11-04 19:21:57 · 1 answers · asked by Anonymous

If I drop two bowling balls of different weight ,lets say one of 100 pound and the other of 15 pounds,at exactly the same time from exactly the same height, which one arrives first to the ground?

2006-11-04 19:18:51 · 17 answers · asked by gpo 1

What is the 0-60 mph time for a falling rock, person, whatever. And how many feet would it take? So basically; A Falling Acceleration and Distance question.

2006-11-04 19:10:23 · 4 answers · asked by blastby2000 3