Two pulses travel along a string in opposite directions, as in Fig. 17-36. If th

Question

Two pulses travel along a string in opposite directions, as in Fig. 17-36. If the wave speed v is 2.0 m/s and the pulses are 6.0 cm apart at t = 0, sketch the patterns when t is equal to 5.0, 10, 15, 20, and 25 ms to get a better understanding of the wave's behavior. In what form (or type) is the energy of the pulses at t = 15 ms?

a. It is lost.

b. It is in the form of thermal energy.   

c. It is in the form of kinetic energy.

d. It is in the form of gravitational potential energy.

e. None of these answers are correct.

Two pulses travel along a string in opposite directions, as in Fig. 17-36. If the wave speed v is 2.0 m/s and the pulses are 6.0 cm apart at t = 0, sketch the patterns when t is equal to 5.0, 10, 15, 20, and 25 ms to get a better understanding of the wave's behavior. In what form (or type) is the energy of the pulses at t = 15 ms? a. It is lost. b. It is in the form of thermal energy. c. It is in the form of kinetic energy. d. It is in the form of gravitational potential energy. e. None of these answers are correct.

Explanation / Answer

c. It is in the form of kinetic energy.

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