Motorcycle Mike is traveling behind an ambulance with a speed of 40 mph. The ambulance, traveling in the same direction, has a speed of 70 mph. When Mike hears the ambulance's siren, the frequency is _______ the actual frequency.
A. higher than
B. the same as
C. lower than
C. lower than
Physics & Space Science
You might also like to view...
Right ascension in the sky is very similar to latitude on the Earth
Indicate whether the statement is true or false
Physics & Space Science
The energy radiated by a typical quasar requires that its black hole accrete about
A) one solar mass a year. B) ten solar masses a year. C) one solar mass a day. D) one solar mass a decade. E) one solar mass a century.
Physics & Space Science
The metric prefix that means one million (1,000,000) is
a. centi-. b. mega-. c. milli-. d. nano-.
Physics & Space Science
An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer surfaces of the shell are respectively
a. -q, -q. b. -q, +q. c. +q, -q. d. +q, +q. e. +q, 0.
Physics & Space Science