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4 years ago

5

Identify two types of nuclear reactions in which the equations E= mc^2 applies.

1 answer:

tekilochka [14]4 years ago

3 0

Nuclear Fusion and Nuclear Fission

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Plz help will mark the brainliest

fenix001 [56]

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3 years ago

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You're using a wedge to split a log. you are hitting the wedge with a large hammer to drive it into the log. it takes a force of

KIM [24]

The work performed on an object is the force multiplied by the distance it is moved, provided the movement is parallel to the force. Since that is the case here, we can get the work by W=Fd=1900N x 0.23m = 437J. This energy is used to split the wood.

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4 years ago

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I don’t know how to explain this or if I am correct:(

Talja [164]

Answer:

c is correct

Explanation:

There are two equal forces on each sides of the rope. The greater opposing sides pull, the greater the magnitude of tension force along the rope.

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3 years ago

Not so fast! If a force of 2500 N is used over

Masteriza [31]

Answer:

B 1500N

Explanation:

The acceleration of the car - at least the average one, but that will do, is $a= \frac{\Delta v}{\Delta t} = \frac 53 ms^{-2} = 1.66 ms^{-2}$

We know the acceleration, we know the force, let's drop them in Newton second law.

$F= ma = 2500= m \frac53 \rightarrow m=500\times 3 N = 1500N$

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3 years ago

Displacement vectors of 10 m west and 14 m west make a resultant vector that is _____.

Anastaziya [24]

For this case we can write each one of the vectors in the following way:

$v1 = 10 i\\v2 = 14 i$

This means that the x-axis is defined as positive towards the west.

Then, the resulting vector is:

$v1 + v2 = 10i + 14i\\v1 + v2 = 24 i$

Answer:

Displacement vectors of 10 m west and 14 m west make a resultant vector that is 24 m west

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