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4 years ago

Question 3 of 10

Physics

2 answers:

Fynjy0 [20]4 years ago

5 0

Answer: D

Explanation: a p e x :)

rosijanka [135]4 years ago

3 0

Answer:

B. The magnetic field pushes negative charges and positive charges in opposite directions.

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“You can’t get more energy from a machine than the amount of energy you put into it,” is one way of stating the law of conservat

goldenfox [79]

Answer:

Energy

Explanation:

One ways of stating the law of conservation of energy is that "you cannot get more energy from a machine than the amount of energy you put into it".

The law of conservation of energy states that in a system, energy is neither created nor destroyed but transformed from one form to another.

The energy in a system does not increase based on the premise of this law.

The efficiency of a machine can reduce but the energy is always conserved.
This is because energy is transformed to other forms.

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3 years ago

Is the Florida scrub a forest or grassland

PIT_PIT [208]

It is a forest. Hope this helps. Much luck

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3 years ago

Nitrogen (Z = 7) has three electrons in the 2p level (in addition to two electrons each in the 1s and 2s levels).

solmaris [256]

Based on electrons would be answer b.

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4 years ago

What would happen to a satellite if it’s orbit speed was reduced by half? Also how about if it doubled?

weeeeeb [17]

For finding the orbital speed of the satellite we can say that the centripetal force for the circular motion of satellite is provided by the gravitational force of earth

so here we can say

$F_g = \frac{mv^2}{r}$

$\frac{GMm}{r^2} = \frac{mv^2}{r}$

now we will have

$v = \sqrt{\frac{GM}{r}}$

now here we will say that orbital speed of the satellite is inversely depends on the orbital radius

<em>So here if orbital speed is half then as per above relation we can say that orbital distance will become four times</em>

<em>Also we can say that if orbital speed is double then orbital distance will become one fourth of initial distance.</em>

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3 years ago

1 Diagram 1 shows an experiment to prove the existence

Tju [1.3M]

Answer:

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3 years ago