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Zielflug [23.3K]
3 years ago
14

When an object is stationary, all of the forces acting on it are balanced

Physics
2 answers:
Trava [24]3 years ago
8 0

Its True like what do ya actually mean brother?!


Leviafan [203]3 years ago
5 0
With utmost clarity, that is truest of the truths

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Amanda [17]

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gravity

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When waves strike an object and bounce off, what has occured
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3 What is the displacement of a satellite when it makes a complete round along its circular path?​
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Find the resistance of an electric light bulb if a current of 0.08 A flows when the potential difference across the bulb is 120
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8 0
3 years ago
A bird sits on top of a 639 m tall tower. If it's gravitational potential energy up there is 2033 J, what is its mass?
iris [78.8K]

The mass of the bird is 0.32 kg.

<u>Explanation:</u>

Gravitational potential energy, the energy exhibited by an object at rest due to the influence of gravitational force. So the increase in distance of object from the surface of earth leads to increase in the gravitational potential energy. Thus,

       \text {Gravitational potential energy}=m \times \text { Acceleration } \times \text { Distance of bird from bottom }

So, as the gravitational potential energy is given as 2033 J and the position of bird placed on the tall tower is 639 m away from the bottom, then the mass (m) of the bird can be found as below.

       m o f \text { bird }=\frac{\text {Gravitational potential energy}}{a \times \text {Distance}}=\frac{2033}{9.8 \times 639}=\frac{2033}{6262.2}

So, finally we get the bird's mass as,

            m of bird = 0.32 kg

7 0
3 years ago
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