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Ilia_Sergeevich [38]
3 years ago
13

Consider an object with weight on the Earth W_earth. The gravity of the Earth is g. If it is moved to another planet with gravit

y a, how much will be its weight? Note: you don't need to put a number for variables, M, W, a, g
Physics
1 answer:
Mazyrski [523]3 years ago
5 0

Answer:

W_{Planet} = \frac{W_{Earth}}{g}\times a

Explanation:

We know that weight of an object on Earth is,

W_{Earth} = m\times g

Thus,

m = \frac{W_{Earth}}{g}

where,

m = mass of an object, which is constant and is independent of gravity

g = acceleration due to gravity on Earth

On the new planet, gravity = a

Thus the weight of the object on the new planet will be

W_{Planet} = m\times a

W_{Planet} = \frac{W_{Earth}}{g}\times a

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Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0 m . Sim
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Answer:

The distance covered by puck A before collision is  z = 8.56 \ m

Explanation:

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   The label on the two hockey pucks is  A and  B

    The distance between the  two hockey pucks is D   18.0 m

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        The speed of puck B is  v_B  =  4.30 \ m/s

The distance covered by puck A is mathematically represented as

     z =  v_A * t

  =>  t  =  \frac{z}{v_A}

 The distance covered by puck B  is  mathematically represented as

      18 - z =  v_B  * t

=>   t  = \frac{18 - z}{v_B}

Since the time take before collision is the same

        \frac{18 - z}{V_B}  =  \frac{z}{v_A}

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          \frac{18 -z }{4.3}  = \frac{z}{3.90}

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