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Margaret [11]
3 years ago
6

Does potential energy increase,kinetic energy decrease when a book is placed on a shelf

Physics
1 answer:
DerKrebs [107]3 years ago
3 0
Yes potential increases while kinetic decreases
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Water flows through a pipe. The diameter of the pipe at point b is larger than at point a. Where is the water pressure greatest?
FrozenT [24]

The water pressure is greatest at point B which has a larger diameter in this scenario.

<h3>What is Pressure?</h3>

This is defined as the force per unit area of a substance with its unit being Pascal.

The larger diameter will have more force acting on the sides which translates to a greater pressure.

Read more about Pressure here brainly.com/question/25736513

#SPJ1

3 0
2 years ago
Why do you lurch forward in a bus that suddenly slows? why do you lurch backward when it picks up speed? what law applies here?
AveGali [126]
The law applied here is Newton's first law, also known as, law of inertia.
This law states that: A body will retain its state of rest or motion unless acted upon by an external force.

If you are moving and the bus suddenly stops, your body will lurch forward trying to retain its state of motion until it comes to rest and changes its state by the external force acted on it.

If you are at rest and the bus suddenly moves, your body will lurch backwards trying to retain its state of rest and opposing the force of motion until it is forced to change its state by this force.
8 0
3 years ago
Which type of bonds hold two or more water molecules together
Afina-wow [57]

Answer:

Hydrogen bond.

Explanation:

It is an intermolecular bonding interaction between two molecules of different electronegative values or bonding between lone pairs of electron rich molecules.

Hydrogen-bonding forms in liquid water as the hydrogen atoms of one water molecule are then attracted towards the oxygen atom of a neighboring water molecule resulting in a general proton shared by two lone electron pairs.

3 0
3 years ago
A 12 volt battery in a motor vehicle is capable of supplying the starter motor with 150 A. It is noticed that the terminal volta
qwelly [4]

Answer:0.0133 \Omega

Explanation:

Given

Voltage=12 V

Current(I)=150 A

V_{terminal}=10 V

r_{internal}=\frac{\Delta V}{I}

r_{internal}=\frac{12-10}{150}

r_{internal}=\frac{2}{150}=0.0133 \Omega

4 0
3 years ago
Which has the fastest wave speed, a high frequency sound or a low frequency sound?
Naddika [18.5K]

Answer:

high frequent sound

Explanation:

because if its low than its slower.

3 0
4 years ago
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