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Anarel [89]
3 years ago
13

an 8.10 kilogram box of mass is kept at a height of 0.99 meters above ground level. what is the potential energy of the box? (gi

ven g = 9.8 meters/second2
Physics
2 answers:
zepelin [54]3 years ago
8 0
Ep=mgh=78,5862J...........
kogti [31]3 years ago
8 0

Answer:

79 joules

Explanation:

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The force of repulsion that two like charges exert on each other 5N. what will be if the distance between the charge is decrease
GalinKa [24]

The new force becomes One Ninth (1/9) of the original force.

The force between two point charges (let's say \mathrm{Q} 1$ and $\mathrm{Q} 2$ ) is given by the following formula:

Force $=k \times Q 1 \times Q 2$divided by ( $r$ squared)

Here r is the distance.

If we multiply r by three then after squaring it will become $9 \times r$ squared.

Let's rewrite the formula and call it new Force:

New Force =\mathrm{K} \times \mathrm{Q} 1 \times \mathrm{Q} 2 divided by $(9 \times \mathrm{r}$ squared )

Now just separate the 9 :

New Force $=1 / 9(\mathrm{~K} \times \mathrm{Q} 1 \times \mathrm{Q} 2$divided by $(\mathrm{r}$ Squared ))

New Force $=1 / 9$ (Force)

So turns out that the new force becomes One Ninth (1/9) of the original force.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to define force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Learn more about force brainly.com/question/13191643

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6 0
1 year ago
a passing warm front changes air pressure. does a passing warm front increase or decrease air pressure
meriva
Warmer air has molecules more spread out, so I'd say a decrease in air pressure.
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The force of gravity is the strongest of the four known force fields. True False
Setler79 [48]
The answer is true as gravity is powerful than any other force
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3 years ago
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A Lemon falls off a blimp and hits the ground 14 seconds later. How fast was it moving before it hits the ground?
Luda [366]

Answer: Lemon blossoms falling off a potted lemon tree may also be caused by cool drafts, as well as under or over watering. A lemon tree dropping flowers may be a sign of drought or other changes in watering. When water is scarce, a lemon tree will drop flowers or fruit to conserve energy. Flooding, waterlogged soil or over-watering can also cause ...

Explanation:

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3 years ago
How does the mass of an object affect the outcome when an unbalanced force acts on it?
Verdich [7]

Answer:

The magnitude of acceleration is reduced.

Explanation:

Force is defined as push or pull

The force is said to be<em> balance force  </em>if the force are equal in size but opposite in direction. ie the object does not move or move with constant speed.

The force are to be<em> unbalanced force </em>if the force cause change in motion. ie the object has force greater than zero and has acceleration.

According to <em>Newton second law of motion </em>, acceleration depends on force acting on the object and mass of object.

     F=ma

     a=\frac{F}{m}

When unbalanced force act on the mass of object it reduces magnitude of acceleration without changing the direction.

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