Evan's Space

Wonders of Physics


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25 thoughts on “About

  1. Hello Evan….i am amazed and delighted by the work you do and want to compliment you on this amazing blog…..the best i have seen ever.

  2. Thank you for sharing your knowledge and setting up this blog that will benefit a lot of people. I really love your blog and I think is very beneficial. This is the most wonderful and useful blog I have ever seen. I really thank you. 😀

  3. The notes u drew are very nice and easy for revision. 🙂 I wonder what did u use to draw those notes…

  4. Hi, I came across your kinematics summary notes. is so nice.. but may I know is there any easier way for us to view the graphs? Like how do we identity which graph is increasing deceleration/decreasing deceleration? This kind of qns is quite confusing. Thanks

    • Are you clear about gradient in math graph? As in the summary, describing the motion using concept of gradient is the easiest way. If u know what kind of gradient in math it will be easy

      • Yes. But then I am not sure which graph in the summary is representing a graph with increasing deceleration/decreasing deceleration and what is the diff between negative increase and positive increase.

      • It’s a bit difficult to explain through text. To answer your question briefly, in general the gradient of velocity time graph will tell you directly the acceleration or deceleration. If the gradient is getting steeper it is considered increasing (may it be positive or negative gradient) and vice versa.

      • Positive increasing acceleration its because the gradient is positive (slope upwards, speed increases) and the gradient is getting steeper.
        Negative increase is when the gradient is negative (sloping downwards, speed decreases) and the gradient is getting steeper. Roughly get the idea??? 🙂

      • Hi Catherine, I uploaded an image which hopefully can help u. Take a look and let me know ya

  5. Hi, I have taken a look and I understand now. Thank you! So, for example of a velocity/time graph, the steepness shows whether is increasing/decreasing while the direction of the curve shows whether is accelerating/decelerating.

  6. Evan. I teach high school physics in Toronto, Canada and I love your site. Great energy, great explanations and great illustrations. I will recommend your site to my students.

  7. Hi Evan,

    While wandering in the vast land of Google, I bumped into your blog. Really interesting and impressive concept drawing.
    Want to add a link to your blog at my website. Wondering if you are okay with that?

  8. Thank you, I love physics now. Bless Isaac Newton.

  9. Hi Evan. I am a teacher of science in Colombia, Latinamerica. I would like to refeer your work, but I can not do it with just your blog. Can you email me to talk about your impact on my students? Thank you. EMAIL: mibavendano@alianzaeducativa.edu.co

  10. Hi Evan, I am a teacher in Singapore. Can you please contact me at mrdavesim@gmail.com? Thank you so much.

  11. Hi Evan. I am a teacher in South Africa. You are so very talented! Well done!

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