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Physics: Post your doubts here!
How 2 amplitudes and then 1 ? o.O ? Is it given in book ._- ?- Thought blocker
- Post #10,863
- Forum: A-Levels
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Physics: Post your doubts here!
Help kardo . _ . sagar65265 :* ZaqZainab :o- Thought blocker
- Post #10,861
- Forum: A-Levels
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Physics: Post your doubts here!
V²/R = 3/2 * 12 = 18 So V²/R = 18. Let's move on. Since we know that the resistance of network Q + R = R(Q + R) = R/2, we can say that the potential difference across Q + R section is equal to V(Q + R) = I * R(Q + R) = V(Q + R) = 2V/3R * R/2 = V/3. So the potential difference across the...- Thought blocker
- Post #10,858
- Forum: A-Levels
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Physics: Post your doubts here!
12) The angle that T1 makes with R is greater than the angle that T2 makes with R. R has to be balanced by the horizontal componts of T1 and T2 Let the angle be θ R= T1cosθ + T1cosθ and R= T2cosθ + T2cosθ We can see that for cos,, the greater the angle.. less the value of cosθ so in order to...- Thought blocker
- Post #10,856
- Forum: A-Levels
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Physics: Post your doubts here!
vertical velocity= u cos 45 horizontal velocity = u sin 45 so, initial K.E. : the vertical and horizontal components of kinetic energy = 1/2 m ( u cos 45 ) + 1/2 m ( u sin 45 ) ......... ( 1/2 m v^2 formula ) so, sin 45 = 0.71 ....cos 45 = 0.71 ( check them in the calculator ) so they will...- Thought blocker
- Post #10,850
- Forum: A-Levels
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Physics: Post your doubts here!
10) At X, sand is stationary and truck is moving so when they stick together the speed decreases. At Y, sand also leaves with some speed and as the total mass remains same, the speed will not change. 21) --> extension of P is half that of Q, as you can see for more stress there is less strain...- Thought blocker
- Post #10,848
- Forum: A-Levels
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Physics: Post your doubts here!
Sure, but lemme solve some others doubt first... that they posted.- Thought blocker
- Post #10,847
- Forum: A-Levels
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