« previous next »

Author Question: Toss a rock at an angle into the air and it follows a curved path. Its velocity at any instant can ... (Read 195 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
Toss a rock at an angle into the air and it follows a curved path. Its velocity at any instant can be resolved into horizontal and vertical components. Which of these components changes with time, and why?
 
  What will be an ideal response?

Question 2

The Earlybird communication satellite hovers over the same point on Earth's equator indefinitely because
 
  A) forces other than Earth's gravity act on it.
  B) it pulls as hard on Earth as Earth pulls on it.
  C) it is beyond the main pull of Earth gravity.
  D) it is kept aloft by ground control.
  E) its orbital period is 24 hours.


l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 29, 2018
Answer to Question 1

Thanks for your help Worked like a charm.

Answer to Question 2

Answer: E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Kthamas

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
George Green. …marooned in dreaming: a path of song and mind. George Green. …marooned in dreaming: a path of song and mind.
Rock-cut Tombs, Beni Hasan Rock-cut Tombs, Beni Hasan
How to find the unknown angle of a triangle using the sine law (Part 1) How to find the unknown angle of a triangle using the sine law (Part 1)
In a simulation, the path of a new aircraft after it has achieved weightlessness In a simulation, the path of a new aircraft after it has achieved weightlessness
Floating rock illusion Floating rock illusion
Video: Exercise and cardiac output

For a complete list of videos, visit our video library