Author Question: An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The ... (Read 80 times)

notis · **on:** Jul 29, 2018

An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The speed of sound in air is 343 m/s.

What will be an ideal response?

Question 2

A car moves from a point located 26.0 m from the origin and at an angle of 35.0 from the x-axis to a point located 56.0 m from the origin and at an angle of 60.0 from the x-axis in 2.50 s.

What is the magnitude of the average velocity of the car? A) 12.7 m/s
B) 13.7 m/s
C) 16.1 m/s
D) 18.3 m/s
E) 17.2 m/s