« 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 211 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?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site. Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site.
Angle of insertion for three types of injections. Angle of insertion for three types of injections.
If you walk 5.0 m horizontally forward at a constant velocity carrying a 10 N object, the ... If you walk 5.0 m horizontally forward at a constant velocity carrying a 10 N object, the ...
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library