At what minimum speed should you ride

Assignment Help Physics

Reference no: EM132106169

Question: (A) An opera singer in a convertible sings a note at 600 Hz whilecruising down the highway at 90\;{\rm km}/{\rm hr}.

(1) What is the frequency heard by a person standing beside the road in front ofthe car?

(2) What is the frequency heard by a person on the ground behind thecar?

(B) A whistle you useto call your hunting dog has a frequency of 21 kHz, but your dog isignoring it. You suspect the whistle may not be working, but youcan't hear sounds above 20 kHz. To test it, you ask a friend toblow the whistle, then you hop on your bicycle.

(1) At what minimumspeed should you ride to know if the whistle isworking?

Reference no: EM132106169

Questions Cloud

What is the total amount of the dividend that will be paid : Cole Company has 303,000 shares of common stock authorized, 252,000 shares issued, What is the total amount of the dividend that will be paid

Compute the maximum number of new shares : The balance sheet for Ronlad Corporation reported 173,000 shares outstanding, Compute the maximum number of new shares that the company could issue

Evaluate the depth of learning about strategic management : Evaluate the depth of learning about Strategic Management?

What is the moment of inertia of the object : An object is formed by attaching a uniform, thin rod with a mass of mr = 6.62 kg and length L = 5.44 m to a uniform sphere with mass ms = 33.1 kg.

At what minimum speed should you ride : A whistle you useto call your hunting dog has a frequency of 21 kHz, but your dog isignoring it. You suspect the whistle may not be working.

How much work does the battery perform in one minute : How much work W does the battery connected to the 21.0-ohm resistor perform in one minute? The voltage of the battery is 12.0 V and the internal resistance.

Prepare the T-accounts for each account : At December 31, the unadjusted trial balance of H&R Tacks reports Unearned Revenue of $5,800, Prepare the T-accounts for each account

What are some unhealthy thoughts that a crisis worker : What are some unhealthy thoughts that a crisis worker might have that could lead to burnout? Why is this question getting flagged, its straight to the point

Rank scenarios on the basis of the angle : A monochromatic beam of light is sent through each of the following six optical slides. Rank these scenarios on the basis of the angle of the first interference

User Account

All Pages