04-05-2015
Physics

Answered

Which of the following is an example of convection?
a a hot object transferring heat to a cooler one
b the rays of the Sun warming the earth
c a hot oven warming the air around it
d hot air rising and cooler air falling

Answer :

vuvuong003 vuvuong003

04-05-2015

D.hot air rising and cooler air falling
A is example of radiation or conduction (i don't sure)
B is example of radiation
C is example of conduction
D is example of convection

Answer Link

lilymorrison05 lilymorrison05

19-12-2018

The answer is D. hot air rising, cool air falling

Answer Link

Other Questions

How many protons are in the following isotope

Convert the temperature as indicated. Use [tex]C = \frac{5}{9}(F - 32)[/tex] or [tex]F = \frac{9}{5}C + 32[/tex], where [tex]F[/tex] is the degrees in Fahrenhei

To reduce EMI, it is recommended that unshielded low-voltage circuits be separated from power circuits by a minimum distance of:A. 2"B. 12"C. 24"D. 36"

Jessica has drawn a scale model of her room that is 11 inches long and 8.5 inches wide. She notices that the door to her room takes up 1.75 inches on the right-

What is a mutation?A. A change in the protein produced by a cellB. Damage that breaks the backbone of DNAC. A change in the bases within a DNA molecule

Volunteer drivers are needed to bring 80 students to the championship baseball game. Drivers either have cars, which can seat 4 students, or vans, which can sea

A single person earns a gross biweekly salary of [tex]$\$[/tex]780[tex]$ and claims 6 exemptions. How does their net pay change due to the federal income tax wi

The slope of the line is 1.5 write the equation of the line in point slope form using the coordinates (4,3) do not use parentheses on the y side

(ii) construct a perpendicular to XY that passes thA rectangular floor measures 12.5 m by 1300 cm.Find the area of the floor in square metres.Calculate the peri

Conduct online research on cervical cancer. Write a few paragraphs describing your findings. Include a brief description of the disorder and its causes, risk fa

change 4/10 into fifths

How many newtons of force are represented by the following amount: 3 kg·m/sec^2?

1. write 13 3/4 as an improper fraction 2. wirte 4 3/5 as an improper fraction

An increase in temperature of 10 degrees on the Celsius scale corresponds to an increase of how many degrees on the Fahrenheit scale

is the square root of 130 a rational or irrational number

Liza finished studying at half past 3.what time did Liza finish studying A. 3:30 B. 3:15 C. 2.45 D. 2:15

How do I write a paragraph on weaknesses and strengths of my job

How do I write a paragraph on weaknesses and strengths of my job

what is the answer and work to 15% of 375

what is 75% of 28 this is my home work please help