This topic contains a solution. Click here to go to the answer

Author Question: Two cars are traveling in the same direction and with the same speed along a straight highway. Does ... (Read 79 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
Two cars are traveling in the same direction and with the same speed along a straight highway. Does either driver hear a different frequency from the other car's horn than they would if the cars were stationary?
 
  A) Yes, they both experience a Doppler shift.
  B) Only the driver of the front car experiences a Doppler shift.
  C) Only the driver of the rear car experiences a Doppler shift.
  D) No, because neither driver experiences a Doppler shift.
  E) It is impossible to predict.

Question 2

An airplane undergoes the following displacements: First, it flies 66 km in a direction 30 east of north. Next, it flies 49 km due south. Finally, it flies 100 km 30 north of west.
 
  Using vector components, determine how far the airplane ends up from its starting point. A) 79 km
  B) 81 km
  C) 82 km
  D) 78 km
  E) 76 km



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

A




deesands

  • Member
  • Posts: 514
Reply 2 on: Jul 29, 2018
Gracias!


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library