Author Question: A piano string of density 0.0050 kg/m is under a tension of 1350 N. Find the velocity with which a ... (Read 78 times)

fahad · **on:** Jul 28, 2018

A piano string of density 0.0050 kg/m is under a tension of 1350 N. Find the velocity with which a wave travels on the string.
a. 260 m/s
b. 520 m/s
c. 1040 m/s
d. 2080 m/s
e. 4160 m/s

Question 2

An earthquake emits both S waves and P waves which travel at different speeds through the Earth. A P wave travels at 9 000 m/s and an S wave travels at 5000 m/s. If P waves are received at a seismic station 1.00 minute before an S wave arrives, how far away is the earthquake center?
a. 88.9 km
b. 1200 km
c. 675 km
d. 240 km
e. 480 km