Two cars, one in front of the other, are traveling down the highway at 55.0 m/s. The car behind sounds its horn, which has a frequency of 530 Hz. What is the frequency heard by the driver of the lead car? (vsound = 340 m/s)
a. 382 Hz
b. 735 Hz
c. 456 Hz
d. 530 Hz
e. 632 Hz
d
You might also like to view...
_________is when material is deposited onto an electrode in an electrochemical cell.
Fill in the blank(s) with the appropriate word(s).
Determine the equivalent capacitance of the combination shown when C = 15 mF.
A. 20 mF B. 16 mF C. 12 mF D. 24 mF E. 75 mF
PMMA is used as a substitute for _________where fracture resistance is required.
Fill in the blank(s) with the appropriate word(s).
Given that Mercury, Mars, and some of the moons of the gas giants are covered with craters, why do we not see lots of impacts happening today?
A. Most of the impacts happen on the far sides of these bodies. B. Gravitational interactions between planets and planetesimals ejected most of the larger debris. C. We would, but the impacts have always happened at a very slow rate and built up over billions of years. D. All the planetesimals have collided with planets already.