Q. How fast should the bat fly, v_b, to hear a beat frequency of 205 rm {Hz}?
Take the speed of sound to be 344 rm m/s.
How fast should the bat fly, v_b, to hear a beat frequency of 205 rm {Hz}?
Take the speed of sound to be 344 rm m/s.
Q. A man weighing 690 and a woman weighing 440 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman?