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4 years ago

Question 1

1 answer:

3 0

Question 1
Science can be described as a body of knowledge that is

gained by a process of experimentation and investigation --> TRUE
proven to be true by scientists around the world.---> FALSE, BECAUSE EXPERIMENTATION AND THEORIES LEAD TO TEMPORAL TRUES, WHICH MAY BE PROVEN TO BE FALSE, BUT WHAT IS BELIEVED TO BE TRUE TODAY MAY NOT BE TRUE TOMORROW

never changed once it is proven and supported by experimentation.---> FALSE AS EXPLAINED ABOVE

used to measure the value of philosophy, art, and religion. FALSE, SCIENCE'S OBJECTS ARE VERY DIFFERENT FROM PHILOSOPHY, ART AND RELIGION'S OBJECTS.

Question 2
All of the following are true about science except
It is a body of knowledge.---> TRUE
It does not change once a law is discovered.--> FALSE (I EXPLAINED THIS ABOVE)

It is tested by many scientists over time.--> TRUE
It uses the scientific method.--> TRUE

Question 3
Which of the following could be considered a scientific statement?
Pizza is the best food on Earth.--> FALSE. IT CAN NOT BE TESTED
I believe in life on other planets.--> FALSE. IT IS A BELIEF
It appears that ants live in colonies.---> RIGHT, BECAUSE YOU CAN OBSERVE THIS AND TEST.
I think nuclear energy is bad. ---> FALSE. IT IS AN OPINION.

Question 4
Which question can be answered using the scientific method?
What is the meaning of life?
Do red or orange flowers attract more butterflies?--> RIGHT. YOU CAN DESIGN AN EXPERIMENT TO TEST THIS.
Do roses smell better than lilies?
Are alien spacecrafts powered by gasoline?

Question 5
It would not be practical to use scientific experimentation to test the effect of
tempo on the quality of music.--> THIS ONE BECAUSE YOU CANNOT MEASURE THE QUALITY OF MUSIC
color on brain waves and function
adrenaline on the mating behaviors of animals.
pH on the color of flowers

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Answer:

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Explanation:

The formula for Kinetic Energy is given as:

$K.E=\frac{1}{2} mv^{2} \\$

Where, m is the mass and v is the velocity of the object. In order to tell how fast is the object moving we need to calculate its velocity.

Re-arranging the above equation and isolating v, we get

$2 K.E = mv^{2}\\\\v^{2} = \frac{2 K.E}{m}$

Putting values in this equation, we get:

$v^{2}=\frac{2 \times 32}{36}\\\\ v^{2}=\frac{16}{9}\\\\ v=\frac{4}{3}\\\\ v=1.33$

Thus, the object is moving with a velocity of 1.33 m/s

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Answer:

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