Explain the Sound ?
What is the pitch?
Explain the advantage of fixed pulley?
What is sound velocity?
Why does heated air expand?
What is the weight of automotive oil?
Why dies the earth move round the sun, and the moon round the earth ?
What is a Thrust ?
Why a capacitor is a voltage sensitive device?
What two properties of electromagnetic waves are used to attach info to radio signals?
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
Define Bulk modulus ?
is it possible that the clock works differently in winter and in summer ?