Author Question: Toss a rock at an angle into the air and it follows a curved path. Its velocity at any instant can ... (Read 196 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
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
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
Both answers were spot on, thank you once again




 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library