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3 years ago

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How much energy is released by the conversion of 4.2 x 10 kg of mass to energy? How much mass must be converted to energy to pro

duce 1.00 J of energy?

1 answer:

emmasim [6.3K]3 years ago

3 0

Explanation:

4.2×+10=42kg

energy/work =

mxacceleration

420joulse

not sure

=42 mass I guess

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Answer:

3.46 A

Explanation:

The force (F) exerted on a wire of a particular length (L) carrying current (I) through a magnetic field (B) at an angle (θ) to the magnetic field is given as

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F = 3.13 N

B = 0.360 T

I = ?

L = 2.50 m

θ = 79°

3.13 = (0.360 × I × 2.5 × sin 79°)

0.8835 I = 3.13

I = 3.54 A

But this is the resultant current in this magnetic field.

Since the two wires are conducting current in opposite directions,

Resultant current = 7 - (current in the other wire)

Current in the other wire = 7 - 3.54 = 3.46 A

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The power in every scenario is the same. Power is the measurement of the energy transfer over time.

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In scenario A,

$P = \dfrac {120 }6 = 20 \rm \ W$

In scenario B,

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In scenario B,

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Answer:

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Part b)

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Part a)

Since the diver is moving under gravity

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here we have

$v_i = 2.22 m/s$

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Part b)

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Which of the following is a good example of accelerated motion?

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Answer:

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