1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
geniusboy [140]
3 years ago
8

10 points

Physics
1 answer:
grandymaker [24]3 years ago
6 0
The answer is B tell me if I am wrong.
You might be interested in
1. Which of the following is NOT part of John Dalton's atomic theory?
STALIN [3.7K]
1. C
His theory did not incorporate the existence of subatomic particles.

2. D
3 0
3 years ago
Water ______________ easier in the mountains because there is less air pressure.
Alchen [17]
<h3>Answer: 1) Boils</h3>

The less air pushing down on the water effectively allows the water to boil easier. Think of the water molecules as a bunch of marbles bouncing around in a box with a lid. The less air pressure means the lid is easier to open from the force exerted by the bouncing marbles, allowing those particles to escape and turn into gas.

So in short, if you are in the mountains, then it'll take less time to cook food because water comes to a boil faster.

3 0
3 years ago
Newton's law of cooling states that the temperature of an object changes at a rate proportional to the difference between its te
alexgriva [62]

Answer:

4.9 minutes

Explanation:

Given; T(t) = Ce^-kt + Ts

Now;

T(t) = 190 degrees Fahrenheit

Ts = 60 degrees

To obtain C;

190 = Ce^0 + 60

190 - 60 = C

C = 130

Hence, to find k when t=11

172 = 130 e^-11k + 60

172 -60/130 = e^-k

e^-k = 0.86

ln(e^-k) = ln( 0.86)

-k = -0.15

k = 0.15

Hence at 122 degrees, t is;

T(t) = Ce^-kt + Ts

122 = 130e^-0.15t + 60

122 - 60/130 = e^-0.15t

0.477 = e^-0.15t

ln (e^-0.15t) = ln (0.477)

-0.15t = -0.74

t = 0.74/0.15

t = 4.9 minutes

5 0
3 years ago
How many second does it take for sunlight to reach the surface of the earth it​
sertanlavr [38]

Answer:

1 second

Explanation:

5 0
3 years ago
Read 2 more answers
A certain shade of blue has a frequency of 7.24 × 1014 Hz. What is the energy of exactly one photon of this light?
ANEK [815]
E = hf

E = 6.63* 10 ⁻³⁴ * 7.24* 10¹⁴

<span>E = 4.80012 × 10⁻¹⁹ J</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • 1. Identify the significance of the following terms to the subject of the Civil War.
    10·1 answer
  • 1. Our entire solar system orbits around the center of the Milky Way Galaxyabout once every 230 million years.
    15·1 answer
  • The moon’s gravity causes the oceans to bulge. how does this affect tides?
    10·1 answer
  • In a mixture the original substances change to form a new substance.<br> A. True<br><br> B. False
    15·1 answer
  • Tech A says that as engines gain miles, the spark plug gap increases, which raises the ignition system’s available voltage. Tech
    13·1 answer
  • How do scientists determine the elements present in different stars
    9·1 answer
  • It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays S
    14·1 answer
  • HELPPPP PLEASEEE!!!!!
    8·1 answer
  • What adaptation of a cheetah is shown in the image?
    14·1 answer
  • Newton’s cradle is a contraption where metal balls hang from a frame. When one ball is pulled and released, the collision causes
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!