This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A circle has an area of 2.0 m2 . A second circle has triple the radius of the first. The area of the ... (Read 578 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jul 28, 2018
A circle has an area of 2.0 m2 . A second circle has triple the radius of the first. The area of the second circle is _____ times that of the first.
 a. 27
  c. 3.0
  b. 9.0
  d. 0.67

Question 2

The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion. Assume that 40 cm3 of gasoline is atomized into N spherical droplets. Each droplet has a radius of 2.0  10-5 m. Find the total surface area of these N spherical droplets.
 a. 60,000 cm2
  c. 20,000 cm2
  b. 24,000 cm2
  d. 2800 cm2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


mpobi80

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Lung cancer. Photograph of part of a lung removed after death. The yellow area is a large tumor and Lung cancer. Photograph of part of a lung removed after death. The yellow area is a large tumor and
Firing Patterns of a Supplementary Motor Area Neuron Firing Patterns of a Supplementary Motor Area Neuron
Workshop of Kane Kwei, Coffin in the shape of a film projector, Teshi area, Ghana, Africa. 2013. Workshop of Kane Kwei, Coffin in the shape of a film projector, Teshi area, Ghana, Africa. 2013.
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ... The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ...
Video: Decubitus Ulcer

For a complete list of videos, visit our video library