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Let's make our summers constructive! Come on.
I suggest researching about anything you like, there are many extremely useful knowledge sources on the internet like Wikipedia, we are lucky we have an internet connection :) So go ahead, read and be curious about things, for example, read about Spacetime, General and Special Relativity... -
Mathematics: Post your doubts here!
To find the acute angle, you need to find the normals of the two planes and find the angle between them, from i) we know the normal of the plane ABC, but plane OAB has a normal of (0,0,1) because it's normal is perfectly vertical, it's direction is 1k Then scalar product: Costheta=... -
Physics: Post your doubts here!
Hey, no because in this case, the rock is falling straight so it has a straight speed , you can't use Vorbit here, it's not moving in circular motion. We know that Energy= m( change in potential) But here the energy is Kinetic, so 1/2mv^2=m(change in potential) Cross m and work for v. So v= 5.5... -
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Physics: Post your doubts here!
There is no acceleration at the poles of the Earth. So 0. -
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Mathematics: Post your doubts here!
Bilal, my answer is wrong because you put the eqaution here wrong no? Kitkat did it like this, 2ln(5-e^-2x)=1 -
Mathematics: Post your doubts here!
Here's 8)i) tried to be neat :) -
Mathematics: Post your doubts here!
Here's 5 ii) , I'm 100% sure there's a much easier and faster way to do it, but sadly I don't know , so I did it in the long way. I still obtained the correct answers though, I'll sketch 8) i) for you soon . If someone knows the easier way please do cooperate . Thanks -
Mathematics: Post your doubts here!
I'm sorry, I forgot :/ wait ill do them now :) -
Mathematics: Post your doubts here!
Qwerty's working is perfecto too :) -
Mathematics: Post your doubts here!
Here's Q8 i) Tell me if you want me to explain it more -
Mathematics: Post your doubts here!
Is it only like this or is there more to it? -
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Mathematics: Post your doubts here!
Here's all of q6.,(good question btw) Read carefully -
Mathematics: Post your doubts here!
Here you go, justified everything on the sides -
Physics: Post your doubts here!
Here you go there are equations you need to memorize for this topic -
Physics: Post your doubts here!
Yep, what I did :) we should ignore the 2^0 under the 0 bits. -