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Mazyrski [523]
2 years ago
9

What happens when a magnet passes through a closed loop of wire?

Physics
1 answer:
snow_tiger [21]2 years ago
8 0

(A) an electric current is generated in the wire

Explanation :

When a close loop of wire pass through a magnetic field, an EMF is induced to the wire.

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A wooden block of mass m = 9 kg starts from rest on an inclined plane sloped at an angle θ from the horizontal. The block is ori
vredina [299]

Answer:

f = 0.283

Explanation:

With the given values x=5m and t=2s, the acceleration a of the block must be:

(1) a=\frac{2x}{t^2}

The sum of all forces in the inclined plane must be:

(2) F=ma=sin(\theta) F_{gravity}-F_{friction}=sin(\theta) mg - f cos(\theta) mg

Solving equation2 for the acceleration a:

(3) a=sin(\theta) g - f cos(\theta) g

Using equations 1 and 3 to solve for f:

\frac{2x}{t^2}=sin(\theta) g - f cos(\theta) g\\f=tan(\theta)-\frac{2x}{t^2cos(\theta)g}

4 0
3 years ago
The _______ principle encourages us to resolve a set of stimuli, such as trees across a ridgeline, into smoothly flowing pattern
LenKa [72]
If this question has the same set of options as to the following, the answer would be letter d. Continuity.
Continuity in Psychology accounts for visual perception of immediate environments that piece together a background's individual elements to form a panoramic image.<span> </span>

The choices are:
A.) depth perception. 
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<span>C.) similarity. </span>
<span>D.) continuity.
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3 0
2 years ago
Read 2 more answers
A particular electric car is supplied with 300 kJ of chemical energy by the battery. Of this, a total of 70.5 kJ of energy is wa
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Supplied energy=300kJ

  • Wasted energy=70.5J

Used energy:-

\\ \sf\longmapsto 300-70.5=229.5kJ

We know

\boxed{\sf Efficiency=\dfrac{Used\:Energy}{Supplied\:Energy}\times 100}

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\\ \sf\longmapsto Efficiency=\dfrac{229.5}{3}

\\ \sf\longmapsto Efficiency=76.5\%

3 0
2 years ago
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adell [148]
The period is the reciprocal of the frequency.  (1 divided by it)

Frequency  =  261 / 1 second

Period  =  1/261 second

             =  0.00383... second (rounded)
4 0
3 years ago
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Your teacher gives you 30 mL of vinegar and one gram of baking soda and tells you to find evidence that the law of conservation
n200080 [17]
The Law of conservation states that mass nothing can be created nor destroyed by chemical means.
<span>
You can make a rocket bottle, it shows the a chemical reaction.

</span>baking soda<span> acts as a base, while vinegar an acid. </span><span>The reaction releases gas and it makes carbon </span><span>dioxide

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3 years ago
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