3 years ago

How is a magnetic field generated?

Physics

2 answers:

kiruha [24]3 years ago

4 0

A magnetic field is produced by moving electric charges so B

charle [14.2K]3 years ago

3 0

Gravity is the answer I assume

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3 years ago

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2 years ago

What is the kinetic energy of a bike with a mass of 24 kg traveling at 3 m/s?

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3 years ago

A bat moving at 3.7 m/s is chasing a ying insect. The bat emits a 36 kHz chirp and receives back an echo at 36.79 kHz. At what s

3241004551 [841]

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Explanation:

Given;

speed of the bat, v₀ = 3.7 m/s

frequency of the bat, F₀ = 36 kHz

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Apply the following equation to determine the speed of the insect which is the source;

$F_0 = F_s[\frac{v+v_0}{v-v_s} ]\\\\\frac{F_0}{F_s} = [\frac{v+v_0}{v-v_s} ]\\\\\frac{36.79}{36} = \frac{340+3.7}{340-v_s}\\\\1.0219 = \frac{343.7}{340-v_s}\\\\ 340-v_s = \frac{343.7}{1.0219}\\\\340-v_s = 336.33\\\\v_s = 340-336.33\\\\v_s = 3.67 \ m/s$

The speed the bat is gaining on its prey = 3.7m/s - 3.67m/s = 0.03 m/s

Therefore, the speed the bat is gaining on its prey is 0.03m/s

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3 years ago

What type of energy transformation is demonstrated in the above diagram?

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3 years ago