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Physics: Post your doubts here!
because it does not have enough mass, and for force mass is a must, since F=m*a. for further detail you need to go deep into quantum of mechanics. but I'll still ask him again on Tuesday! -
Physics: Post your doubts here!
Projectile: Motion in two dimensions, v and angle θ with horizontal, upward is + x-component → no acceleration Vx = V cos Ø x = Vxt = Vt cos Ø y-component → acceleration is g Vy = V sin Ø... -
Physics: Post your doubts here!
that is because (d) is related to change in kinetic energies and since you found the velocity of ball S after the collision in (c). it is a basically a hint to compare kinetic energies of ball B and ball B+S before and after the collision. Remember change in kinetic energy is of an system. (that... -
Physics: Post your doubts here!
i discussed this with my teacher yesterday and he said No, the light cannot have a force on any particle. All that it can do is have its light absorbed and emission-ed where its energies are converted from one form to another. -
Physics: Post your doubts here!
Uhm, this actually gave me a strike. :P okay, for light to have force it must have mass and acceleration. because force=m*acc. but that is not the case here, why? let's see. the best way to describe force of light is the absorption and emission of light. when light is absorbed so is it's... -
Physics: Post your doubts here!
Since it's urgent, let's have a look. For Question# 2(d) the question starts from "deduce" means we have to show some working before writing the comments. Find the Ek (Kinetic Energy) for the ball B before and after the collision. Before Collision Ek (for B) = 1/2*mv^2 which is 1/2*1.2*(4)^2... -
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Physics: Post your doubts here!
uhm, the spacing? well solids are clumped together and constantly vibrate next to one another. They tend to maintain a shape and a volume, where as liquids constantly flow over each other when they are poured. They tend to maintain a shape that is similar to their container (e.g glass or bowl)... -
Physics: Post your doubts here!
uhm! let me try? At first, you calculate the resistance of one heating element by R=V^2/P which is 38.4 Ohms. when switch S1 is opened the current will not be able to complete its cycle and hence Power= Zero. when S1 and S2 are closed but S3 is opened we will neglect the resistor (B) as... -
heylow :D
Ah! lol that's one tough looking list of subjects i must say :P best of luck to you too :)- emkay
- Post #10
- Forum: Welcome Lounge
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heylow :D
ahaha, you got me bruv :P Ah! don't worry, its something you'll get used to :P what subjects have you got? Thankyou :)- emkay
- Post #7
- Forum: Welcome Lounge
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Anyone for Urdu 9886 Oct/Nov 2012??
the "zara-ey iblagh" one? yes, i did the same. i finished it in like 40mins. xD -
Take out just one letter from the previous word to create a new word! =)
wink- emkay
- Post #523
- Forum: Games and Fun Stuff
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Something for the techno geeks
HTC One V is one good looking phone but, Samsung Galaxy S beats it the hard way! -
heylow :D
well, hello there everyone. i haven't really been active around here so couldn't give you an intro! I'm a student of A2 with Physics, Mathematics, Computing and Urdu (Pakistan). take care!- emkay
- Thread
- Replies: 14
- Forum: Welcome Lounge
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Anyone for Urdu 9886 Oct/Nov 2012??
Oh! if i had a scanner i would have definitely posted the screen shots, sorry about that. anything else i could do to help? -
Anyone for Urdu 9886 Oct/Nov 2012??
ahaha, hi5! same here just going through physics :P there isn't really anything specific to study for it. i have gone through summarized essay's on Education and Media once or twice. insha'Allah, we'll do good!