What is the shadows?
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What is the avarege speed of people fencing like at the olympic games. (sorry for the misspelled words)
One man driving his car over dark night on hard concrete stone road in a forest. His bad faith that his car pings with long ore needles of concrete henceforth his all 4 tyres got punctured. How he might have tackled his problem? please guess answers & post
What is the effeciency of solar cell (Current year)
Explain the advantage of fixed pulley?
Why is n-type conductor is neutral?
What two properties of electromagnetic waves are used to attach info to radio signals?
What is meant by refraction of a wave?
What is frequency of sound in air?
Why is there a change in the weight of a body if the earth changes its speed ?
heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
What is Convex lens ?