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

Author Question: Which of the following stars is the coolest? A) B7 B) G9 C) K7 D) ... (Read 21 times)

abc

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
Which of the following stars is the coolest?
 
  A) B7
  B) G9
  C) K7
  D) K4

Question 2

To determine the height of a flagpole, Abby throws a ball straight up and times it. She sees that the ball goes by the top of the pole after 0.5 s and then reaches the top of the pole again after a total elapsed time of 4.1 s.
 
  How high is the pole above the point where the ball was launched? A) 10 m
  B) 13 m
  C) 16 m
  D) 18 m
  E) 26 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


abc

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jul 27, 2018
Thank you!


Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

The Pleiades, an open cluster of stars in the constellation of Taurus. The Pleiades, an open cluster of stars in the constellation of Taurus.
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Motion of Stars at the Poles Motion of Stars at the Poles
Rising and Setting of Stars at the Equator Rising and Setting of Stars at the Equator
Coolest Cat Coolest Cat
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library