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

Author Question: While in an airplane flying at 100 km/h you look down from the window and spot another airplane ... (Read 150 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 29, 2018
While in an airplane flying at 100 km/h you look down from the window and spot another airplane flying at the same speed in the opposite direction. Relative to you, the speed of the spotted plane is
 
  A) zero.
  B) 100 km/h.
  C) 150 km/h.
  D) 200 km/h.

Question 2

A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a minimum?
 
  A) at either A or B
  B) midway between A and B
  C) one-third of the way between A and B
  D) one-fourth of the way between A and B
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

A


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 29, 2018
Thanks


amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

NASA Spacecraft Spot Something New On the Sun NASA Spacecraft Spot Something New On the Sun
Brown Pelicans Flying Brown Pelicans Flying
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da
Using both hands, gently but firmly grasp the skin over a spot on the upper back, and lift the skin ... Using both hands, gently but firmly grasp the skin over a spot on the upper back, and lift the skin ...
Vibration to the abdomen with the fingertips. Apply vibration from spot to spot in a clockwise ... Vibration to the abdomen with the fingertips. Apply vibration from spot to spot in a clockwise ...
What cause the white spot area on throat? What cause the white spot area on throat?
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library