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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 www.askphysics.com

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 www.askphysics.com , A website dedicated to satisfy the inquisitive mind of…