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BartSMP [9]
2 years ago
10

How is a magnetic field generated?

Physics
2 answers:
kiruha [24]2 years ago
4 0
A magnetic field is produced by moving electric charges so B
charle [14.2K]2 years ago
3 0
Gravity is the answer I assume
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In a shipping yard, a crane operator attaches a cable to a 1,400 kg shipping container and then uses the crane to lift the conta
Molodets [167]

Answer:

Explanation:

Given

mass of crane m=1400\ kg

distance moved d=40\ m

Since it is moving with a constant velocity therefore net force on it is zero

Tension force=weight

T=mg

Work done by Tension T is

W_T=T\cdot d

W_T=1400\times 9.8\cdot 40

W_T=548.8\ KJ

Work done by Gravity will be equal in magnitude but opposite in sign and can be obtained by work energy theorem which states that change in kinetic energy of object is equal to work done by all the forces

W_T+W_g=0

W_g=-548.8\ KJ

                                 

4 0
3 years ago
How much of the universe is believed to consist of ordinary atoms that can be detected?
Margaret [11]
The universe believed to be has no limit in space and the elements, molecules and different kind of gases are found in this area. So the percentage of that is believed that and ordinary atom can be detected is C. 3% i hope you understand my answer.
4 0
2 years ago
How does exhailing remove waste from the body? Explain the systems that make this happen‚ using complete sentences​
aliina [53]

Answer:

The lungs get rid of carbon dioxide and water vapor. The liver gets rid of bile, which, in addition to breaking down fats, is partially made up of the breakdown of red blood cells. The kidneys get rid of toxins from the blood. The large intestine gets rid of undigested food

3 0
2 years ago
If wheel turning at a constant rate completes 100 revolutions in 10 s its angular speed is:
GenaCL600 [577]
The frequency of the wheel is given by:
f= \frac{N}{t}
where N is the number of revolutions and t is the time taken. By using N=100 and t=10 s, we find the frequency of the wheel:
f= \frac{100}{10 s}=10 s^{-1}

And now we can find the angular speed of the wheel, which is related to the frequency by:
\omega=2 \pi f=2 \pi (10 s^{-1})=62.8 s^{-1}
6 0
3 years ago
About 3% of the water on Earth is freshwater. Only about 40% of that freshwater is available for human use. Why is so much fresh
Pie
A) it is frozen i think
7 0
3 years ago
Read 2 more answers
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