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
Natali5045456 [20]
3 years ago
6

Imagine you can take all the atoms in a single drop of water and put them on a single line as closely packed as they can be. How

long would that line be in meters? There are approximately 1022 atoms in a droplet of water.a) 10^12 meters which is bigger than the distance between Sun and Earth.b) 10^20 meters, the size of a galaxy.c) 10^3 meters, this is one kilometer.d) 10^7 meters which is about the circumference of the Earth.
Physics
1 answer:
tester [92]3 years ago
7 0

Answer:

option a

Explanation:

Size of an atom (diameter) = 10⁻¹⁰ m

There are approximately 10²² atoms in a single drop of water. If they are put in  a straight line, the length would be

l = diameter of an atom × number of atoms

l = 10²²×  10⁻¹⁰ m = 10¹² m

Distance between the Sun and the Earth is 1.47 × 10¹¹ m. The calculated length is greater than the distance between the Sun and the Earth.

Thus, option a is correct.

You might be interested in
A 3.0-kg block starts at rest at the top of a 37° incline, which is 5.0 m long. Its speed when it reaches the bottom is 2.0 m/s.
Mama L [17]

Answer: f_{r} = 16.49N

Explanation: The object is placed on an inclined plane at an angle of 37° thus making it weight have two component,

W_{x} = horizontal component of the weight = mgsinФ

W_{y} = vertical component of weight = mgcosФ

Due to the way the object is positioned, the horizontal component of force will accelerate the object thus acting as an applied force.

by using newton's law of motion, we have that

mgsinФ - f_{r} = ma

where m = mass of object=5kg

a = acceleration= unknown

Ф = angle of inclination = 37°

g = acceleration due to gravity = 9.8m/s^{2}

f_{r} = frictional force = unknown

we need to first get the acceleration before the frictional force which is gotten by using the equation below

v^{2} = u^{2} + 2aS

where v = final velocity = 2m/s

u = initial velocity = 0m/s (because the object started from rest)

a= unknown

S= distance covered = length of plane = 5m

2^{2} = 0^{2} + 2*a*5\\\\4= 10 *a\\\\a = \frac{4}{10} \\a = 0.4m/s^{2}

we slot in a into the equation below to get frictional force

mgsinФ - f_{r} = ma

3 * 9.8 * sin 37 - f_{r} = 3* 0.4

17.9633 - f_{r} =  1.2

f_{r} = 17.9633 - 1.2

f_{r} = 16.49N

4 0
3 years ago
Describe a plant/ animal in which you can observe wave motion. State the type of wave and describe in relation to body movement
Korolek [52]
Trees. Every time the wind blows there is a wave of motion which is movement

6 0
3 years ago
Read 2 more answers
ARRANGE THE STEPS IN ORDER TO DESCRIBE WHAT HAPPENS TO A GAS WHEN IT COOLS
vredina [299]
What happens to has when it cools is ...
Step 1) They will start to form liquids, like condensation.
Step 2) As liquids cool, they will turn into solids.
Step 3) As solids cool, they become more stable and solid.
3 0
3 years ago
If a bottlel filled with water 25c and freezes at -5c the waters tempreture drop what is the sign of the systems q,w,ΔE
laila [671]
Triangle because h2o and celsious have yhree silibyles and the triangle has three sides
6 0
3 years ago
Pls help and thank u need asap!
aleksandr82 [10.1K]

Answer:

ill help if u help me?its 4am

5 0
3 years ago
Other questions:
  • A boat travels in a straight path that is 25° west of north. Which describes the values of the west and north components of the
    15·2 answers
  • If a compound forms by ionic bonding, which is not true?
    11·2 answers
  • A bus travels 6 km east and then 8 km south. The magnitude of the bus’s resultant displacement is ___km.
    9·1 answer
  • A tennis ball is tossed upward with a speed of 3.0 m/s. We can ignore air resistance. What is the velocity of the ball .40 secon
    7·2 answers
  • What happens to the position of an object as an unbalanced force acts of it? Give an example
    13·2 answers
  • What is the frequency of this wave? <br><br>can someone pls explain and answer ​
    12·1 answer
  • A massless, hollow sphere of radius R is entirely filled with a fluid such that its density is p. This same hollow sphere is now
    15·1 answer
  • If the octupus had twelve arms then how many arms would the crab have show your work
    15·1 answer
  • Consider the system consisting of the box and the spring, but not Earth. How does the energy of the system when the spring is fu
    9·1 answer
  • How did the angular acceleration change with the new moment of inertia? was your prediction correct?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!