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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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At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81 m/s2 . A watermelon has a weight of 54.0 N at the s
butalik [34]

Answer:

m=5.51Kg

Explanation:

The weight of an object on Earth is given by W=mg, so we can calculate its mass by doing m=W/g, which for our values is:

m=(54N)/(9.8m/s^2)=5.51Kg

<em>Nothing is being asked</em> about Io but if one wanted to know the weight <em>W'</em> of the watermelon there one just have to do:

W'=ma=(5.51Kg)(1.81m/s^2)=9.97N

4 0
3 years ago
How do particle motion and temperature change as a material absorbs heat?
mylen [45]
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3 years ago
Which part of the electromagnetic spectrum is divided into seven ranges of wavelengths and is the part visible to the human eye
oksano4ka [1.4K]
In one of the most amazing coincidences in all of science,
the part of the electromagnetic spectrum that's visible to the
human eye is called "visible light".

Visible light is not 'divided' into anything. We mention the names
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6 0
3 years ago
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What is the direction of the force on a positive charge when passing through a magnetic field as indicated in this diagram? Expl
maria [59]

Answer:

The direction of the magnetic force on a moving charge is perpendicular to the plane formed by v and B and follows right hand rule–1 (RHR-1)

Explanation:

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3 0
3 years ago
Bob rides his bike with a constant speed of 10 miles per hour. How long will he take to travel a distance of 15 miles?
ICE Princess25 [194]

{\underline{\pink{\textsf{\textbf{ Answer : }}}}}

➡ 150hrs.

{\underline{\pink{\textsf{\textbf{Explanation : }}}}}

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➡ Time = 15*10

➡ Time = 150hrs ans.

7 0
3 years ago
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