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Oksi-84 [34.3K]
2 years ago
8

3. CrossFit and cross-training exercise routines can only be performed in a class setting in a gym.

Physics
2 answers:
Marrrta [24]2 years ago
8 0
Person above is correct it is false
denis23 [38]2 years ago
5 0

Answer:

False

Explanation:

I would greatly appreciate if you can give the brainliest answer crown!

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The current through a 0.2-H inductor is i(t) = 10te–5t A. What is the energy stored in the inductor?
lakkis [162]

Answer:

E = 10t^2e^-10t Joules

Explanation:

Given that the current through a 0.2-H inductor is i(t) = 10te–5t A.

The energy E stored in the inductor can be expressed as

E = 1/2Ll^2

Substitutes the inductor L and the current I into the formula

E = 1/2 × 0.2 × ( 10te^-5t )^2

E = 0.1 × 100t^2e^-10t

E = 10t^2e^-10t Joules

Therefore, the energy stored in the inductor is 10t^2e^-10t Joules

6 0
3 years ago
A string of 26 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 73 W. What is th
spin [16.1K]

To solve this problem we will apply the concepts related to Ohm's law and Electric Power. By Ohm's law we know that resistance is equivalent to,

R_{eq}= \frac{V}{I}

Here,

V = Voltage

I = Current

While the power is equivalent to the product between the current and the voltage, thus solving for the current we have,

P=VI \rightarrow I = \frac{P}{V}

I =0.608 A

Applying Ohm's law

R_{eq} = \frac{120V}{0.608A}

R_{eq} = 197.4\Omega

Therefore the equivalent resistance of the light string is 197.4\Omega

6 0
3 years ago
Gerry is looking at salt under a powerful microscope and notice a crystalline structure.what can be known about the salt sample
Natali [406]

Well, if the salt that Gerry's looking at under a powerful microscope has a crystalline structure, then that's saying that salt is technically a solid.

(I hope that this is an answer you were looking for)

6 0
4 years ago
Imagine that a loudspeaker is producing a quiet tone with a low pitch. How will its vibrations change:
iVinArrow [24]
I believe it is A :) hope this helped
5 0
3 years ago
1. Although the sun is shining, it is a little chilly today at the beach. You look at your portable thermometer, which says it's
Ganezh [65]

Answer:

(10°C × 9/5) + 32 = 50°F

10°C + 273.15 = 283.15K

Explanation:

3 0
3 years ago
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