Author Question: A plane has an airspeed of 142 m/s. A 16.0 m/s wind is blowing southward at the same time as the ... (Read 28 times)

2125004343 · **on:** Jul 29, 2018

A plane has an airspeed of 142 m/s. A 16.0 m/s wind is blowing southward at the same time as the plane is flying. If the velocity of the plane relative to Earth is due east, what is the magnitude of that velocity?

A) 16.2 m/s
B) 16.0 m/s
C) 158 m/s
D) 141 m/s
E) 48 m/s

Question 2

If the intensity level of one trombone is 70 dB and that of one cornet is 65 dB, which is louder: 76 trombones or 110 cornets?

What will be an ideal response?