Chemistry, 20.01.2021 06:40 kristieroth1

Both a siren passing by and radar exhibit the Doppler effect. What is the main difference between these two technologies?
A. Radar absorbs sound waves, and the siren reflects them.
B. Radar uses sound waves, and the siren uses radio.
C. Radar reflects sound waves, and the siren absorbs them.
D. Radar uses radio, and the siren uses sound waves.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 10:10

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Answers: 1

Answer

Chemistry, 22.06.2019 22:10

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.

Answers: 1

Answer

Chemistry, 23.06.2019 00:00

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

Answers: 3

Answer

Chemistry, 23.06.2019 00:00

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

Answers: 1

Answer

You know the right answer?

Both a siren passing by and radar exhibit the Doppler effect. What is the main difference between t...

Questions

Business, 24.10.2019 18:43

If arturo and dina switch from each person dividing their time equally between the production of tacos and burritos to each person spending all of the...

Physics, 24.10.2019 18:43

Aconstant electric field with magnitude 1.50 ✕ 103 n/c is pointing in the positive x-direction. an electron is fired from x = −0.0200 m in the same di...

Business, 24.10.2019 18:43

Alarge electronics company is organized into mainly profit-center divisions. the components division and the consumer electronics division are profit-...

Business, 24.10.2019 18:43

Maria, an engineer, has an adjusted gross income of $167,000 before considering the following losses. the passive activity rules disallow the deductio...

Physics, 24.10.2019 18:43

The drawing shows a straight wire carrying a currenti. above the wire is a rectangular loop that contains a resistorr. if the currentiis decreasing in...

Biology, 24.10.2019 18:43

In the coniferous forests of oregon, eight species of woodpeckers coexist. four species select their nesting sites based on tree diameter, while the f...

Health, 24.10.2019 18:43

The nurse is discussing treatment options with a client newly diagnosed with breast cancer. which statement by the client indicates a need for further...

Business, 24.10.2019 18:43

On january 1, 2020, krupa inc. purchased land that had an assessed value of $350,000, at the time of purchase. a $550,000, zero-interest-bearing note...

Business, 24.10.2019 18:43

Abroker receives a deposit from a buyer with no instructions to hold the check uncashed pending the seller's acceptance of the offer. after the offer...

Chemistry, 24.10.2019 18:43

Transition metals can exhibit varying oxidation states in varying compounds, due to the availability of both the ns electrons and the (n-1)d electrons...

Biology, 24.10.2019 18:43

When you ride a bicycle, your foot pushes down on a pedal that’s 17.5 cm (0.175 m) from the axis of rotation. your force produces a torque on the cran...

History, 24.10.2019 18:43

Germany’s army restricted to 1,000,000 soldiers...

Geography, 24.10.2019 18:43

Where are the tropical forests located? in the southernmost region of sub-saharan africa, south of 30°s on the horn of africa along the line marking...

Business, 24.10.2019 18:43

Which of the following explain why a quota is a more restrictive trade barrier than an equivalent tariff. check all that apply. a quota limits the num...

Business, 24.10.2019 18:43

The following income statement is provided for ramirez company for the current year: sales revenue (1,800 units × $19.30 per unit) $ 34,740 cost of g...

Physics, 24.10.2019 18:43

Omis/hr) vf. at 5. a car speeds up from rest to +16 m/s in 4 s. calculate the acceleration. - ?...

Biology, 24.10.2019 18:43

What bill will have to be paid one of these days...

Physics, 24.10.2019 18:43

Adog sledding team is composed of a 81.8 kg musher (the person driving the sled), a 21.2 kg sled, and four dogs. assume that each dog's pull is fully...

Physics, 24.10.2019 18:43

Arocket rises vertically, from rest, with an acceleration of 3.2m/s^2 until it runs out of fuel at an altitude of 775m. after this point, its accelera...

Business, 24.10.2019 18:43

Identify the codification topic number that provides guidance on fair value measurements...

More questions: Chemistry Another questions