Question
Question: Two pulses in a stretched string, whose centres are initially 8 cm apart, are moving towards each ot...
Two pulses in a stretched string, whose centres are initially 8 cm apart, are moving towards each other as shown in the figure. The speed of each pulse is 2 cm/s. After 2 s the total energy of the pulses will be :
A
Zero
B
Purely kinetic
C
Purely potential
D
Parely kinetic and parely potential
Answer
Purely kinetic
Explanation
Solution
Particle will be at mean position so purely K.E