Thursday
July 31, 2014

Posts by Vivek


Total # Posts: 27

physics (motion)
the initial velocity of a particle is u (at t=0) and acceleration f is given by at.which relation is valid: (a)v=u+at^2 (b)v=u +at^2/2 (c)v=u+at (d)v=u

MATHS
i think its my brother messing aroud please dont do that ho is always doing does things

MATHS
ms.sue please do something this boy is creepy

MATHS
ms.sue i have no idea who is that anyway thanks

Physic
What is comet how it fall

Science
What is comet how it fall and why he look blue

Physics
What is energy

physics
what is the angular speed of one satellite as seen by an astronaut in another satellite?

Physics
Wgat is energy

physics
The earth's atmosphere extends to a height of nearby 200KM above its surface there many be explosion and noises taking place in the outer space but we do not hear them.why?

physics
What is force defin it

physics
The capacity do to work

physics
The capacity do to work

physics
The capacity do to work

maths
3-0 9-0 11-5

math
what is the perimeter value of r=a(1+cos theta)

math
44 degree

Math
b. 525 is the population of the frogs after 5 years

geography
geography envoirment

chemistry
The label of a spread says that it contains, per 100 g product: 80 g fat; 20 g saturated fat. What is the percentage of saturated fatty acids expected in the fat extracted from this spread? 25% 80% none of these 20% 16%

chemistry
To make 10 mL of 25 mM sodium standard, what volume of 1 M NaCl stock should be used? 250 mL 2.5 mL 0.25 mL 0.5 mL None of these 400 mL

chemistry
To make 10 mL of 25 mM sodium standard, what volume of 1 M NaCl stock should be used? 250 mL 2.5 mL 0.25 mL 0.5 mL None of these 400 mL

physics
Assume g= 10 m/sec2 60*x1 + 35*x2 = 1.3*10=13 on observation we get x1= 0.1 m x2= 0.2 m so tan(angle)= .1/.8= .125 angle= 7.125 degree

Physics
A car reaches a speed of 40m/s from rest in a time of 8 seconds. After teh 8 seconds, the car travels at a constant velocity fro 200meters when it runs out of gas. The car slowly comes to rest 30 seconds after running out of gas. Calculate acceleration for the first 8 seconds

math
we have problem it'sa regular quadilateral example given by u is not correct

physics
300 cos 35.2 - Fk = ma fk = 300 cos 35.2 - ma Fn = mg + 400 sintheta = 300 + 400 sin 35.2 Fk = Fn*uk uk = 0.57 300 cos 35.2 - ma = 0.57 [ 300 + 400sin 35.2] -ma = (0.57)[300+400sin35.2]- [300 cos 35.2] a = all that crap on the right side/ (300N/0.9) a = 0.8 m/s2 Sx = VoT+ 1/2 ...

james knox polk
how did he become famous? http://www.whitehouse.gov/history/presidents/jp11.html

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