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 47 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?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Moving box Moving box
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
Oil pressure applied to the locking pin causes the inside of the lifter to freely move inside the ... Oil pressure applied to the locking pin causes the inside of the lifter to freely move inside the ...
Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ... Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ...
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 ...
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Video: Adolescent Diabetes

For a complete list of videos, visit our video library