Two pulse in a stretched string whose centers are initially `8cm` apart are moving towards each other as shown in the figure. The speed of each pulse is `2cm//s`. After `2seconds`, the total energy of the pulse will be
A
zero
B
purely kinetic
C
purely potential
D
partly kinetic and partly potential
Text Solution
Verified by Experts
The correct Answer is:
B
Topper's Solved these Questions
IIT QUESTIONS 2
D MUKHERJEE|Exercise Assertion -Reason type|2 Videos
IIT QUESTIONS 2
D MUKHERJEE|Exercise Linked -comprehension type|3 Videos
IIT QUESTIONS 1
D MUKHERJEE|Exercise Matrix-Matching Type|1 Videos
IIT QUESTIONS 3
D MUKHERJEE|Exercise Matrix matching type|1 Videos
Similar Questions
Explore conceptually related problems
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 second, the total energy of the pulses will be
Two pulses are travelling along a string in opposite directions towards each other as shown in the figure. If the wave velocity is 2cm//s and the pulses are 6 cm apart, then after 1.5 sec , the energy stored in the string will be (Assume shapes of pulses to be similar)
Two long wires are placed parallel to each other 10cm apart as shown in figure. The magnetic field at point P is
A wave pulse on a string has the dimension shown in figure. The wave speed is v=1cm//s . If point O is free end. The shape of wave at time t=3s is
A Wave pulse on a string has the dimension shown in figure. The waves speed is v=1 cm/s. If point O is a free end. The shape of wave at time t=3 s is:
Two balls are moving towards each other on a vertical line collides with each other as shown. Find their velocities just after collision.
Two triangular wave pulses are travelling toward each other on a stretched string as shown in Fig . 7.25. Both pulses are identical to each other and travels at 2.00 cm//s . The leading edges of the pulses are 1.00 cm apart at t = 0 . Sketch the shape of the string at t = 0.250 s, t = 0.500 s , t = 0.750 s, t = 1.000 s and t = 1.250 s .
Two identical harmonic pulses travelling in opposite directions in a taut string approach each other. At the instant when they completely overlap, the total energy of the string will be .
A wave pulse on a string on a string has the dimension shown in figure. The wave speed is v=1 cm /s . If point O is a free end. The shape of wave at time t = 3s si
Two particles A and B initially at rest, move towards each other, under mutual force of attraction. At an instance when the speed of A is v and speed of B is 2v , the speed of centre of mass ( CM ) is