« 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 218 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?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

The Inverse-Square Law The Inverse-Square Law
The Punnett square demonstrates how the F2 ratio arises from an F1 x F1 cross. The Punnett square demonstrates how the F2 ratio arises from an F1 x F1 cross.
How to shift and reflect a square root function using transformations How to shift and reflect a square root function using transformations
Object Oriented Systems Analysis and Design Object Oriented Systems Analysis and Design
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Video: Methods that regulate pH

For a complete list of videos, visit our video library