Questions waiting to be answered at

Can you answer these? A bullet of mass m is fired with a velocity v and strikes a a block of mass M suspended by a string of length L. the bullet gets embedded in the block. What is the angle the the block makes due to the impact?   Why planets revolve around their…… Continue reading Questions waiting to be answered at

Wave particle duality

Let n and m denote the number of photons emitted by a red and blue bulb respectively of equal power in a given time.Is n=m? The above question was passed over to this site from , A website dedicated to satisfy the inquisitive mind of…