Wire A and B has fundamental frequency 256Hz and 382Hz respectively. How many beats will be heard in two second from third harmonic of A and second harmonic of B.
Jhani
Asked:
December 2022
A running man has half the kinetic energy of that of half of his mass. The man speeds up by 1m/s so as to have same kinetic energy as that of the boy. The original speed of the man will be