This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Plane A is flying at 440 mph in the northeast direction relative to the Earth. Plane B is flying at ... (Read 521 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jul 28, 2018
Plane A is flying at 440 mph in the northeast direction relative to the Earth. Plane B is flying at 550 mph in the north direction relative to the Earth. What is the speed of Plane B as observed from Plane A?
 a. 570 mph
  b. 916 mph
  c. 392 mph
  d. 704 mph
  e. 714 mph

Question 2

A boat travels upstream and after one hour has gone 10 km. The boat next travels downstream and after one hour has gone 18 km. If the boat's speed relative to the water is constant, what is the speed of the current in the river?
 a. 3 km/h
  b. 4 km/h
  c. 5 km/h
  d. 6 km/h
  e. 7 km/h


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


LaDunn

  • Hero Member
  • *****
  • Posts: 526
Reply #2 on: Jul 28, 2018
Thanks


ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Types of transporters based on the direction of transport. Types of transporters based on the direction of transport.
Coronal plane Coronal plane
Extended Objects Create a Focal Plane Extended Objects Create a Focal Plane
6-8 Earth’s Major Tectonic Plates 6-8 Earth’s Major Tectonic Plates
Earth’s Magnetic Field Earth’s Magnetic Field
Shingles effleurage with hands parallel to the spine and to the direction of movement. Shingles effleurage with hands parallel to the spine and to the direction of movement.
Video: Elementary kinetics

For a complete list of videos, visit our video library