« 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 131 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?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan
Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ... Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ...
How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc. How to find the antiderivative of double-angle trigonometric functions, sin(2x), cos(2x), etc.
Blunt percussion over the left costovertebral angle Blunt percussion over the left costovertebral angle
A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the ... A ship is being pulled through a harbor at constant velocity by two tugboats as shown in 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: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library