An elastic cord of length and total mass is stretched horizontally with a tension of

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

An elastic cord of length

5.0\,\text{m}

and total mass

0.060\,\text{kg}

is stretched horizontally with a tension of

15\,\text{N}

. A single pulse is produced at one end of the cord. Approximately how much time is required for the pulse to travel

8.0\,\text{m}

along the cord? (a)

0.50\,\text{s}

(b)

1.1\,\text{s}

(c)

0.23\,\text{s}

(d)

0.13\,\text{s}