subject
Chemistry, 24.02.2021 23:30 ozheng24112

ONLY ANSWER IF YOUR ACTUAL GONIG TO PUT A REAL ANSWER Thanks & asap A person is driving north in a car at a constant speed. A police officer is driving south toward him at a constant speed. The police officer uses a radar unit to measure the speed of the person’s car. The radar unit sends out waves of a certain frequency toward the person’s car. The waves reflect off the person’s car and travel back to the radar unit in the police car.
​​What happens to the frequency of the waves detected by the radar unit?
A )The frequency is lower as the person’s car approaches.
B) The frequency is higher as the person’s car approaches.
C) The frequency remains the same but with increased energy as the person’s car approaches.
D) The frequency remains the same but with decreased energy as the person’s car approaches.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 03:30
Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction
Answers: 2
question
Chemistry, 22.06.2019 17:00
The arrangement of particles is most ordered in a sample of
Answers: 1
question
Chemistry, 22.06.2019 18:30
What is the percentage of hydrogen in c2h4
Answers: 1
question
Chemistry, 23.06.2019 04:31
What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3
Answers: 1
You know the right answer?
ONLY ANSWER IF YOUR ACTUAL GONIG TO PUT A REAL ANSWER Thanks & asap A person is driving north i...
Questions
question
Computers and Technology, 07.03.2020 01:39
question
Mathematics, 07.03.2020 01:39
question
Biology, 07.03.2020 01:39
Questions on the website: 13722367