20leunge

1. Community
2. News and Updates from Khan Academy
3. Content Update: September 2018 (Music, History, Physics, and more!)

Can the new content for physics for India be found in the general physics subject as well?

1. Community
2. Study Group
3. Instantaneous Speed/Velocity

I think Okapi is right. You will probably need to learn calculus to find the instantaneous speed

1. Community
2. Content Requests and Feedback
3. Divide topics by grade level

I don't know if they will add this, but in the meantime, perhaps you could go through the science content and align it with the curriculum or syllabus your son's school has.

1. Community
2. Content Requests and Feedback
3. Can you put the cursor in the answer box?

Do you mean having to click on the box to be able to type in your answer? If you don't want to use your mouse, maybe using the "tab" button will work.

1. Community
2. Study Group
3. Find composite functions practice

You are taking the cube root of the expression (3x-5)^3. That means you are finding the expression you need to multiply by itself 3 times to get (3x-5)^3, which is just (3x-5). 2(3x-5) is just 2 ti...

1. Community
2. Study Group
3. Rewrite the expression in the form y​n

Since you're multiplying them, you have to add the exponents (the images don't work by the way). We get each fraction into equivalent forms with common denominators: (3/4) = (9/12) and (1/3) = (4/1...

1. Community
2. Study Group
3. Should I do the entirety of Math before starting Physics?

According to https://blog.prepscholar.com/whats-the-difference-between-ap-physics-1-2-and-c, you probably only need math through Algebra II to understand what Khan Academy offers. I don't think KA ...

1. Community
2. Study Group
3. probability

I'm not the best a probability, and learned this method relatively recently, so forgive me if I get this wrong. Since we want 3 men from a group of 4 men, it would be (4!)/((4-3)!) = (4*3*2*1)/(1!)...

1. Community
2. Content Requests and Feedback
3. APUSH Course feedback

In my opinion, Khan Academy's APUSH course is lacking in content and core ideas, and definitely won't prepare you for the AP test, which was two days ago. AP prep books are usually a great resource...

1. Community
2. Study Group
3. Differential Equations - going beyond - textbook suggestions

I'm not sure how these resources compare to Khan Academy. I haven't looked at them myself, but they are still alternatives, so these could potentially be more useful: http://majorprep.com/blog/2018...