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
Ahat [919]
3 years ago
8

NEED HELP PLEASEEE 15 POINTS

Physics
2 answers:
Nezavi [6.7K]3 years ago
7 0

Answer:

c

Explanation:

thamjs

vova2212 [387]3 years ago
3 0

Answer:

both have molecules that are moving

Explanation:

You might be interested in
PLEASE HURRY Take 40 points.please just look at the picture.​
Fynjy0 [20]

Answer:

It you get a sushi for work, for a party, then it leads to people being happy, as an independant variable

It is changing the molecular structure of a protein

Explanation:

7 0
3 years ago
What is the difference between circular and rotatory motion?​
8090 [49]

Answer:

In a circular motion, the object just moves in a circle. In rotational motion, the object rotates about an axis. ... For example, Earth rotating on its own axis.

3 0
3 years ago
Read 2 more answers
Johnson made a hole at the bottom of a plastic bottle containing water. However, he noticed that the water did not flow out from
Sphinxa [80]

Answer:

  • a) See explanation below

  • b) At X.

Explanation:

Please, see the picture attached with the image of the plastic bottle for this question.

<u>(a) Explain why the water could not flow out of the bottle.</u>

What makes the water flow out of the botlle is the force of gravity, whic attracts the water towards the Earth.

When Johnson made a small hole at the bottom of the plastic bottle containing water, the air outside the bottle, which surrounds it and exerts a pressure all over the outer walls of the bottle, exerted a force against the small area of water "over" the hole that is in contact with the air.

Thus, this force of the air pushing upward through the wall opposed the force of gravity pulling downward making the net force zero and the water cannot fall.

<u>(b) To make the water flow out more easily, his teacher suggested making another hole. At which position - X, Y or Z, should he make the 2nd hole in order for the water to flow out the fastest?</u>

You must open the hole at a place where there is not water but air, such that the outer air can enter in the bottle.

That will make that the pressure in the space over the water inside the bottle be equal to the pressure outside.

The pressure of the air above the water will push it downward. Now, the force from the pressure of air inside the water, which is downward, opposes the upward force from the pressure of air around the first hole, and the net force will be downward, making the water flow out more easily.

Thus, the position where he should make the second hole in order for the water to flow fastest is at X.

4 0
3 years ago
What is the average speed of an aircraft which travels 600m in 10 seconds ?
matrenka [14]

Answer:

60 meters per second

Explanation:

600/10=60

8 0
2 years ago
Plz help!!!
shtirl [24]

Answer:

I think the answer to your question is true

3 0
3 years ago
Other questions:
  • When he sees teachers encouraging other children to wait in the cafeteria until the first bell rings, Ian follows them. What typ
    9·1 answer
  • If you know that the rock fell 4.9 m in 1 s , how far did it drop in the first 0.5 s after you dropped it?
    9·2 answers
  • Thinking about the impacts of socioeconomic status, you should A. consider the outside factors that are impacting that child's a
    13·2 answers
  • A force of 100N was necessary to lift a rock. A total of 150J of work was done. How far was the rock lifted?
    6·1 answer
  • A guitar string is fixed at both ends. If you tighten it to increase its tension, the frequencies of its normal modes will incre
    15·1 answer
  • Let's start with an example from history. Listed below are a series of claims regarding United States President John F. Kennedy
    8·1 answer
  • An amusement park ride raises people high into the air, suspends them for a moment, and then drops them at a rate of free-fall a
    13·2 answers
  • Potassium loses electrons when it reacts with oxygen. Which statement is true of potassium in this reaction? A. It reduces. B. I
    10·1 answer
  • Which atoms have the highest electronegativity?
    10·1 answer
  • One way to measure how long Jupiter takes to rotate is to watch the giant storms in its atmosphere go around. A more fundamental
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!