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

Author Question: You and Al are both floating freely in your spaceships. Suppose that Al is moving away from you at ... (Read 71 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
You and Al are both floating freely in your spaceships. Suppose that Al is moving away from you at 85 km/hr. You throw a ball in his direction at a speed of 75 km/hr. According to Al, which of the following is going on?
 
  A) He sees you moving toward him at 85 km/hr and the ball moving toward him at 75 km/hr.
  B) He sees you moving away from him at 85 km/hr and the ball moving toward him at 10 km/hr.
  C) He agrees that he is moving at 85 km/hr and the ball is moving at 75 km/hr while you are standing still.
  D) He sees you moving away from him at 85 km/hr and the ball moving away from him at 10 km/hr.

Question 2

Which is the MOST important property of the element carbon that makes it ideal as a fundamental building block of biological molecules?
 
  A) it is a very stable element
  B) it is the only element capable of bonding to itself
  C) it is a common element
  D) it readily forms chemical bonds with itself and other elements, allowing a wide variety of complex molecules to form


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


jparksx

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 27, 2018
Thanks


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ... Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ...
Let f be a real function with domain R. Suppose that for each ǫ > 0, there is a continuous ... Let f be a real function with domain R. Suppose that for each ǫ > 0, there is a continuous ...
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ... A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
physics question number 5 - moving conductors physics question number 5 - moving conductors
Suppose a country imports televisions. The country's supply and demand curves are shown in ... Suppose a country imports televisions. The country's supply and demand curves are shown in ...
Video: DNA close up Animation

For a complete list of videos, visit our video library