Why a fan continues to rotate for sometime even after it is switched off ?

Why do you think the zygote is dormant for sometime in a fertilised ovule?

Why do you think the zygote is dormant for sometime in a fertilized ovule?

A particle of charge q is moving with velocity v in the presence of crossed electric field E and magnetic field B as shown. Write the condition under which the particle will continue moving along x-axis. How would the trajectory of the particle be affected if the electric field is switched off?

Why does the body of a bus begins to rattle sometimes when the bus picks up the speed?

Why machines are sometimes jammed in winter?

An electric drill comes to rest quicker than an electric grinder after the power is switched off. Why.