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lianna [129]
3 years ago
14

Which of the following is an example of chemical energy converted into mechanical energy?

Physics
1 answer:
EastWind [94]3 years ago
5 0

Answer:

B

Explanation:

A is wind energy converted to mechanical energy

B is chemical energy stored in food creating energy for movement.

C electric energy to light energy

D building a campfire is chemical energy from burning wood to light energy.

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Charges that are different each other​
adell [148]

Answer:

Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges. The size of the force varies inversely as the square of the distance between the two charges.

4 0
3 years ago
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A company has created an ice cream that has zero calories, but it is made with chemicals that recently were proven to cause canc
murzikaleks [220]

The advertising method that this demonstrates is card stacking.

An advertising method in which the buyers are persuaded to buy a product by deliberately disguising information and trying to distort actual details by suppressing the holistic information on the product.

In this case, the company is focusing on the positive side of the product thereby deliberately excluding other important details about harm caused by the product.

This is a case of card stacking.

Learn more:   brainly.com/question/3163475

7 0
2 years ago
Which of the following best defines amplitude?
ziro4ka [17]
The answer to that question is C
8 0
4 years ago
Tala wants to create a sound echo. She can create the echo using a pane of glass or a carpet square. Which one does she choose?
Alisiya [41]
Carpet asorbs sound, so glass should make it echo.
7 0
3 years ago
A police siren of frequency fsiren is attached to a vibrating platform. The platform and siren oscillate up and down in simple h
babunello [35]

Answer:

he maximum frequency occurs when the denominator is minimum

 f’= f₀  \frac{343}{343 + v_s}

Explanation:

This is a doppler effect exercise, where the sound source is moving

           f = fo \frac{v}{v-v)s}      when the source moves towards the observer

           f ’=f_o  \frac{v}{v+v_{sy}}  Alexandrian source of the observer

the maximum frequency occurs when the denominator is minimum, for both it is the point of maximum approach of the two objects

          f’= f₀  \frac{343}{343 + v_s}

8 0
3 years ago
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