Man is

A bir is singing on a tree and a man is hearing at a distance r from the bird. Calculate the displacement of the man towards the bird so that the loudness heard by man increases by 20dB . [Assume that the motion of man is along the joining the bird and the man].

Ifp : 'If a man is rich, then he is happy',q: 'If a man is not rich, then he is not happy', r :'If a man is unhappy, then he is nor rich' and s: 'If a man is happy, then he is rich', then pairs of statements having the same meaning (equivalent) are :

A man is standing on a cart of mass double the mass of man. Initially cart is at rest. Now, man jumps horiozontally with velocity u relative to cart. Then work done by man during the process of jumping will be

A man is standing on a railway platform listening to the whistle of an engine, that passes the man at constant speed without stopping. If the engine passes the man at time t_(0) , how does the frequency f of the whistle as head by the man changes with time ?

A man is standing on a railway platform listening to the whistle of an engine that passes the man at constant speed without stopping. If the engine passes the man at time t_0 How does the frequency f of the whistle as heard by the man changes with time.

Prehistoric Man || Homo Habilis || Homo Erectus ( Java Man Peiking Man Hiedelberg man) || Homo Sapiens ( Neamderthal Man Cromagnom Man Modern Man) || Races OF Man || Three Ages In The Course OF Evolution

Neanderthal man differs from modern man in