Qualification > Sciences
ALL PHYSICS DOUBTS - POST HERE !!
haris94:
--- Quote from: 8T on May 26, 2010, 09:52:20 am ---So can u do the conversion and show me please because i keep getting 6.4 ??
In both with and without???
Thanks
--- End quote ---
without conversion:
p= (2*10^5)*80
25
u should get 640000 Pa
with conversion:
p= (2*10^5)*(8*10^-5) 1 m3 = 1000000 cm3
(2.5*10^-5)
u should get 640000 Pa
SoONa:
1.The circuit of a motor racing track is 3 km in length. In a race, a car goes 25 times round the
circuit in 30 minutes.
What is the average speed of the car?
A 75 km / hour
B 90 km / hour
C 150 km / hour
D 750 km / hour
2. A sample of a solid is heated for 12 minutes and its temperature noted every minute.
The results are shown in the table.
time / min 0 1 2 3 4 5 6 7 8 9 10 11 12
temperature / °C 11.5 16.1 22.1 31.0 31.1 31.1 31.1 31.3 45.0 65.2 66.2 66.3 66.3
How should the sample be described at the end of the 12 minutes?
A all solid
B in the process of melting
C all liquid
D in the process of boiling
thanks in advance
Ivo:
By the way, just wanted to know whether solving past papers for 1993-2000 is worth it for P1, or should I do all of 2003 onwards first.
The Golden Girl =D:
--- Quote from: Ivo on May 26, 2010, 10:00:00 am ---By the way, just wanted to know whether solving past papers for 1993-2000 is worth it for P1, or should I do all of 2003 onwards first.
--- End quote ---
2000 and onwards ;)
Weaam:
--- Quote from: 8T on May 26, 2010, 09:52:20 am ---So can u do the conversion and show me please because i keep getting 6.4 ??
In both with and without???
Thanks
--- End quote ---
Tuleen?
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