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SVETLANKA909090 [29]
3 years ago
5

When is the only time that an object has no gravitational potential energy

Physics
2 answers:
Rom4ik [11]3 years ago
5 0
When it is not moving or on the ground
Aleksandr [31]3 years ago
4 0

Answer:

The gravitation potential energy of an object will be zero when it will be at ground.

Explanation:

The energy of an object due to its position is known as gravitational potential energy. Mathematically, it can be written as:

                                        P.E = mgh          ………… (i)

Equation (i) shows that P.E depends upon weight and height of the object above the ground. If h = 0 then,  

                                         P.E = mg(0)

                                           P.E = 0  

Hence, when the object will be at ground, its potential energy will be zero.

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Sasha has just gotten a new job in a nearby city. After comparison shopping, she found that renting a nice two-bedroom apartment
tatyana61 [14]

Ill provide the answer choices here, assuming its from edge.

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the correct answer is D) Sasha will own the house and earn equity as its value increases.

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Russell bradley carried 207 kg of bricks 3.65 m up a ladder. If the amount of work required to perform that task is used to comp
MrRa [10]

Answer:

Explanation:

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mgh

= 207 x 9.8 x 3.65

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Work done in compressing gas

PΔV

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ΔV  = 7404.4  / 1.8 x 10⁶m³

= 4113.33 x 10⁻⁶ m³

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8 0
3 years ago
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A train travels 8.81 m/s in a -51.0° direction.
Amiraneli [1.4K]

The displacement of the train after 2.23 seconds is 25.4 m.

<h3>Resultant velocity of the train</h3>

The resultant velocity of the train is calculated as follows;

R² = vi² + vf² - 2vivf cos(θ)

where;

  • θ is the angle between the velocity = (90 - 51) + 37 = 76⁰

R² = 8.81² + 9.66² - 2(8.81 x 9.66) cos(76)

R² = 129.75

R = √129.75

R = 11.39 m/s

<h3>Displacement of the train</h3>

Δx = vt

Δx = 11.39 m/s x 2.23 s

Δx = 25.4 m

Thus, the displacement of the train after 2.23 seconds is 25.4 m.

Learn more about displacement here: brainly.com/question/2109763

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2 years ago
____________ is a medium-sized flat-topped hill with cliff-face sides that is taller than it is wide.
Luda [366]

Answer:

mesa

Explanation:



A mesa is a flat-topped mountain or hill. It is a wide, flat, elevated landform with steep sides. ... Spanish explorers of the American southwest, where many mesas are found, used the word because the tops of mesas look like the tops of tables.

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3 years ago
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