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Home Q & A Board Science-Related Homework Help Physics
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linn.tuell linn.tuell
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10 years ago
1. A car is approaching a ratio station at a speed of 25.0 m/s. If the ratio station broadcasts at a frequency of 74.5 MHz, what change in frequency does the driver observe?
A. 98.3 Hz
B. 64.5 Hz
C. 67.0 Hz
D. 6.21 Hz
E. 726 Hz
 
2. The frequency of a microwave signal is 9.76 GHz. What is its wavelength in meters?
A. 5.07 x 10^-2 m
B. 3.07 x 10^-2 m
C. 4.07 x 10^-2 m
D. 2.07 x 10^-2 m
E. 1.07 x 10^-2 m
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#1
Staff Member
Educator
10 years ago
Quote from: linn.tuell (10 years ago)
1. A car is approaching a ratio station at a speed of 25.0 m/s. If the ratio station broadcasts at a frequency of 74.5 MHz, what change in frequency does the driver observe?
A. 98.3 Hz
B. 64.5 Hz
C. 67.0 Hz
D. 6.21 Hz
E. 726 Hz

https://biology-forums.com/index.php?topic=14987.0
Mastering in Nutritional Biology
Tralalalala Slight Smile
wrote...
#2
Staff Member
Educator
10 years ago
Quote from: linn.tuell (10 years ago)
2. The frequency of a microwave signal is 9.76 GHz. What is its wavelength in meters?
A. 5.07 x 10^-2 m
B. 3.07 x 10^-2 m
C. 4.07 x 10^-2 m
D. 2.07 x 10^-2 m
E. 1.07 x 10^-2 m

https://biology-forums.com/index.php?topic=14996
Mastering in Nutritional Biology
Tralalalala Slight Smile
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