« previous next »

Author Question: A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. The ... (Read 71 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
on: Jul 29, 2018
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. The object falls with an acceleration 4.00 m/s2 downward when it is falling downward at 70.0 m/s. What is its terminal velocity?
 
  A)
 
  110 m/s
 
  B)
 
  157 m/s
 
  C)
 
  91.0 m/s
 
  D)
 
  172 m/s
 
  E)
 
  108 m/s

Question 2

Vector cross products are not commutative.
 
  Indicate whether the statement is true or false


rachel

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Apparent Magnitude Scale Apparent Magnitude Scale
Despite the traditional focus on males, females actively choose mates and are the driving force in t Despite the traditional focus on males, females actively choose mates and are the driving force in t
How to factor a perfect square trinomial How to factor a perfect square trinomial
Proportional reasoning word problems Proportional reasoning word problems
finding the resultant force finding the resultant force
A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation. A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation.
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library