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Question 1 5 pts You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind at constant speed and you perceive the frequency as 1340 Hz. You are relieved that he is in pursuit of a different driver when he continues past you, but now you perceive the frequency as 1300 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s. Upload Choose a File Question 2 2.5 pts Calculate the wave speed of the string shown in the figure if the standing wave is oscillating at 1050 Hz on a string, as shown in the figure. 60 cm

          Question 1
5 pts
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind
at constant speed and you perceive the frequency as 1340 Hz. You are relieved that he is in pursuit of a different
driver when he continues past you, but now you perceive the frequency as 1300 Hz. What is the speed of the
police car? The speed of sound in air is 343 m/s.
Upload Choose a File
Question 2
2.5 pts
Calculate the wave speed of the string shown in the figure if the standing wave is oscillating at 1050 Hz on a
string, as shown in the figure.
60 cm

Question 1
5 pts
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind
at constant speed and you perceive the frequency as 1340 Hz. You are relieved that he is in pursuit of a different
driver when he continues past you, but now you perceive the frequency as 1300 Hz. What is the speed of the
police car? The speed of sound in air is 343 m/s.
Upload Choose a File
Question 2
2.5 pts
Calculate the wave speed of the string shown in the figure if the standing wave is oscillating at 1050 Hz on a
string, as shown in the figure.
60 cm

Added by Harry P.

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