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Trava [24]
3 years ago
10

Mechanical advantage is always less than validity ratio​

Physics
1 answer:
nata0808 [166]3 years ago
7 0

That statement is true.

The question wasn't that specific, so I couldn't give you an answer...

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t's Peggy Sue's birthday and she's about to blow out the candles on her cake. Brother Roger stops the party when he shouts: "Loo
Ket [755]

Answer:

D) Roger is incorrect. Only a chemical change is taking place as evidenced by the light and heat of the burning candles.

Explanation:

- A physical change is a change in which there is no formation of new substances. Examples of physical changes are the melting or the evaporation of a substance (all phase transitions are examples of physical changes): in such cases, there is no formation of new substances.

- A chemical change is a change in which new substances form. Examples of chemical changes are the chemical reactions: for instance, when a candle burns, a reaction is taken place (oxygen is burnt, transforming into carbon dioxide + heat + light, so this is an example of chemical change).

Therefore, the correct answer is

D) Roger is incorrect. Only a chemical change is taking place as evidenced by the light and heat of the burning candles.

5 0
3 years ago
Read 2 more answers
According to Howard Gardner's theories, who among the following would need to have good linguistic intelligence to be successful
Veseljchak [2.6K]

A psychologist will need to have good linguistic intelligence in other to be successful.

<h3>Who is a Psychologist?</h3>

This is referred to as a professional who specializes in the handling of mental health challenges in individuals.

It is best for such professional to have a good linguistic intelligence as the right words being said to the patient will solve the problem thereby bringing in more success.

Read more about Linguistic intelligence here brainly.com/question/15360566

#SPJ1

7 0
2 years ago
A bullet travels at 870 m/s. How long will it take a bullets to go 1 m?
garik1379 [7]
52,200m/min bro. Hope this is the right answer
8 0
3 years ago
Please help me with physics homework I just need help with C and D. Picture is included
marysya [2.9K]

Answer:

For C is B and for D is A

Explanation:

B because that's where the b car will do all the force to go up, and A because there the car doesn't have to do any force other than the natural, and it already brings that on it's own.

5 0
4 years ago
How does radiation help treat cancer?
sergejj [24]

Answer:

it cools down the cancer cells

Explanation:

The cancer cells are rapidly reproducing and when you cool it down it slows down the mutation/ reproduction process.

3 0
4 years ago
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