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Rufina [12.5K]
4 years ago
15

Children are told to avoid standing too close to a rapidly moving train because they might get sucked under it. Is this possible

? Explain.
Physics
1 answer:
storchak [24]4 years ago
4 0

Answer:

no its not like the undertow in the ocean

Explanation:

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Relation of Kilometre and mile​
Alja [10]

Answer:

1km = o.621371 mile

Explanation:

1.609 kilometers equal 1 mile. The kilometer is a unit of measurement, as is the mille. However, a mile is longer than a kilometer.

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3 years ago
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What is the mass of a soda can on a triple beam balance
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It depends on the kind of soda can
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An element's atomic number is the​
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the atomic number of a chemical element (also known as its proton number) is the number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus.

Hope this helped

8 0
3 years ago
Climate models are computer simulations of all the complex interactions of the atmosphere, oceans, land surface, ice and biosphe
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8 0
3 years ago
Consider a system consisting of the Earth, a vertical spring attached to the Earth, and a mass attached to the other end of the
Liula [17]

Answer:

The external force leads to an increase on gravitational and spring potential energies.

Explanation:

The system consists of a mass, resort and Earth. According to the Principle of Energy Conservation there is a potential energy as a consequence of the interaction between Earth and the mass and spring potential energy because of the spring deformation and, besides, the existence of work due to an external force:

U_{g,A} + U_{k,A} + W_{ext} = U_{g,B} + U_{k,B}

W_{ext} = (U_{g,B}-U_{g,A}) + (U_{k,B}-U_{k,A})

F\cdot \Delta r = \frac{G\cdot m\cdot M}{r_{o}-\Delta r} - \frac{G\cdot m \cdot M}{r_{o}} +\frac{1}{2}\cdot k \cdot (x_{o}+\Delta r)^{2} - \frac{1}{2} \cdot k \cdot (x_{o})^{2}

F\cdot \Delta r = G\cdot m \cdot M \cdot \left(\frac{1}{r_{o}-\Delta r}-\frac{1}{r_{o}}   \right)+\frac{1}{2}\cdot k \cdot [(x_{o}+\Delta r)^{2} -x_{o}^{2}]

The external force leads to an increase on gravitational and spring potential energies.

7 0
3 years ago
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