Theory of Relativity
The basic concepts of relativity are explained in a very simplified way that are easy to understood by Mr. Vivek Sawhney in this YouTube Video… The video focuses upon the general discussion on Theory of Relativity….What is the theory of Relativity? What is time dilation and length contraction?
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What is the theory of Relativity and where it’s concepts can be applied?
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A numerical problem from motion in 1 Dimension
A boy plays with a ball on a field surrounded by a fence which has a height of 2.5m . He kicks the ball vertically up from a height of 0.4m with a speed of 14 ms−1. (a) What is the maximum height of the ball above the fence? (b) What is the time taken to reach the maximum height? (c) How long is the ball above the height of the fence? (d) What is the velocity of the falling ball at the height of the fence? (e) What the acceleration of the ball after 1s ?
Asked John
Answer:
(a)
u=14 m/s
v=0 m/s at max height
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National Education Policy 2020 : Introduction
National Education Policy 2020 : Introduction, Read Along or Listen
If you are not getting time to read National Education Policy 2020, read along with this or listen to the reading. This is a verbatim reading out aloud of the National Education Policy 2020. The reader reads it in an impressive manner giving stress and tone variations at places to make the listening more enjoyable.
The fundamental principles
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Physics Masters
Vivek Sawhney
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